Issue for appointment reschedule fixed

lib/pages/MyAppointments/AppointmentDetails.dart

@@ -308,10 +308,10 @@ class _AppointmentDetailsState extends State<AppointmentDetails> with SingleTick
   }
 
   void goToBookConfirm() {
-    if (DocAvailableAppointments.areAppointmentsAvailable)
+    if (DocAvailableAppointments.areSlotsAvailable)
       navigateToBookConfirm(context);
     else
-      AppToast.showErrorToast(message: TranslationBase.of(context).emptySchedule);
+      AppToast.showErrorToast(message: TranslationBase.of(context).selectSlot);
   }
 
   Future navigateToBookConfirm(context) async {