diff --git a/src/pages/CreateReservation.tsx b/src/pages/CreateReservation.tsx
index 6de9cc0..0f825ab 100644
--- a/src/pages/CreateReservation.tsx
+++ b/src/pages/CreateReservation.tsx
@@ -70,8 +70,7 @@ const CreateReservation: React.FC = () => {
         endDateTime: `${formData.date}T${formData.endTime}`,
         title: formData.title.trim(),
         description: formData.description.trim() || '',
-        userId: apiClient.getUserId() || undefined,
-        allowParticipation: true,
+        allowParticipation: false,
         termsAccepted: true
       };
 
@@ -153,7 +152,7 @@ const CreateReservation: React.FC = () => {
           >
             <option value="">Select a resource...</option>
             {resources.map(resource => (
-              <option key={resource.id} value={resource.id}>
+              <option key={resource.resourceId} value={resource.resourceId}>
                 {resource.name} ({resource.capacity ? `Capacity: ${resource.capacity}` : 'No capacity limit'})
               </option>
             ))}
diff --git a/src/pages/UserDashboard.tsx b/src/pages/UserDashboard.tsx
index e22380a..6fbe050 100644
--- a/src/pages/UserDashboard.tsx
+++ b/src/pages/UserDashboard.tsx
@@ -31,20 +31,28 @@ const UserDashboard: React.FC = () => {
   const confirmedReservations = reservations.filter(r => r.status === 'confirmed');
 
   // Group upcoming reservations
-  const upcomingReservations = reservations.filter(r => 
-    r.status !== 'cancelled' && new Date(r.endTime) > new Date()
-  );
+  const upcomingReservations = reservations.filter(r => {
+    if (r.status === 'cancelled') return false;
+    const endTime = r.endTime instanceof Date ? r.endTime : new Date(r.endTime);
+    return endTime > new Date();
+  });
 
-  const todayReservations = reservations.filter(r => 
-    r.status !== 'cancelled' && (
-      isToday(new Date(r.startTime)) || 
-      isToday(new Date(r.endTime))
-    )
-  );
+  const todayReservations = reservations.filter(r => {
+    if (r.status === 'cancelled') return false;
+    const startTime = r.startTime instanceof Date ? r.startTime : new Date(r.startTime);
+    const endTime = r.endTime instanceof Date ? r.endTime : new Date(r.endTime);
+    return isToday(startTime) || isToday(endTime);
+  });
 
   const getReservationLabel = (reservation: Reservation): string => {
-    const startDate = new Date(reservation.startTime);
-    const endDate = new Date(reservation.endTime);
+    // Handle both string and Date formats for startTime/endTime
+    const startDate = reservation.startTime instanceof Date ? reservation.startTime : new Date(reservation.startTime);
+    const endDate = reservation.endTime instanceof Date ? reservation.endTime : new Date(reservation.endTime);
+    
+    // Validate dates before formatting
+    if (isNaN(startDate.getTime()) || isNaN(endDate.getTime())) {
+      return 'Invalid date';
+    }
     
     if (isToday(startDate)) {
       return `Today, ${format(startDate, 'h:mm a')} - ${format(endDate, 'h:mm a')}`;
@@ -152,7 +160,7 @@ const UserDashboard: React.FC = () => {
                       {reservation.title}
                     </h4>
                     <div style={{ color: '#666', fontSize: '0.875rem' }}>
-                      {reservation.resource.name}
+                      {reservation.resourceName}
                     </div>
                   </div>
                   <span 
@@ -250,8 +258,7 @@ const UserDashboard: React.FC = () => {
                       {reservation.title}
                     </h4>
                     <div style={{ color: '#666', fontSize: '0.875rem' }}>
-                      {reservation.resource.name}
-                      {reservation.resource.location && ` • ${reservation.resource.location}`}
+                      {reservation.resourceName}
                     </div>
                   </div>
                   <span 
@@ -280,7 +287,7 @@ const UserDashboard: React.FC = () => {
                 
                 <div style={{ display: 'flex', justifyContent: 'space-between', alignItems: 'center' }}>
                   <div style={{ color: '#888', fontSize: '0.75rem' }}>
-                    Booked on {format(new Date(reservation.createdAt), 'MMM d, yyyy')}
+                    Booked on {reservation.startDate ? format(new Date(reservation.startDate), 'MMM d, yyyy') : 'Unknown date'}
                   </div>
                   
                   <div style={{ display: 'flex', gap: '0.5rem' }}>
diff --git a/src/services/librebooking-api.ts b/src/services/librebooking-api.ts
index 65b54ae..1815586 100644
--- a/src/services/librebooking-api.ts
+++ b/src/services/librebooking-api.ts
@@ -169,13 +169,10 @@ export class SimpleLibreBookingClient {
       endDateTime: data.endDateTime,
       title: data.title,
       description: data.description || '',
-      userId: this.getUserId() || undefined,
-      allowParticipation: true,
+      allowParticipation: false,
       termsAccepted: true
     };
 
-    console.log('Creating reservation with data:', requestData);
-
     const headers: Record<string, string> = {
       'Content-Type': 'application/json',
     };
diff --git a/src/types/index.ts b/src/types/index.ts
index b97f035..315d1b5 100644
--- a/src/types/index.ts
+++ b/src/types/index.ts
@@ -1,5 +1,6 @@
 export interface Resource {
   id: string;
+  resourceId: string;
   name: string;
   description?: string;
   location?: string;
@@ -10,16 +11,26 @@ export interface Resource {
 }
 
 export interface Reservation {
-  id: string;
+  id?: string;
+  referenceNumber?: string;
   resourceId: string;
-  resource: Resource;
+  resourceName: string;
+  resource?: Resource;
   userId: string;
-  startTime: Date;
-  endTime: Date;
+  firstName?: string;
+  lastName?: string;
+  startTime: Date | string;
+  endTime: Date | string;
+  startDate: string;
+  endDate: string;
   title: string;
   description?: string;
   status: 'pending' | 'confirmed' | 'cancelled';
-  createdAt: Date;
+  requiresApproval?: boolean;
+  isRecurring?: boolean;
+  duration?: string;
+  participants?: any[];
+  createdAt?: Date | string;
 }
 
 export interface User {
@@ -31,11 +42,10 @@ export interface User {
 
 export interface CreateReservationRequest {
   resourceId: string;
-  startDateTime: string; // Match field name from LibreBooking API
-  endDateTime: string; // Match field name from LibreBooking API
+  startDateTime: string;
+  endDateTime: string;
   title: string;
   description?: string;
-  userId?: string; // Allow null initially
-  allowParticipation?: boolean;
-  termsAccepted?: boolean;
+  allowParticipation: boolean;
+  termsAccepted: boolean;
 }
\ No newline at end of file