diff --git a/booking/client.py b/booking/client.py
index f0dcc7d..da2f84f 100644
--- a/booking/client.py
+++ b/booking/client.py
@@ -38,11 +38,15 @@ class BookingClient:
         except (ValueError, JSONDecodeError):
             print(f"❌ Invalid JSON response when fetching resources: {response.text[:200]}")
             return None
-        return resources[0]['id'] if resources else None
+        return resources[-1]['id'] if resources else None
 
     def reserve(self, resource_id, start, end):
         booking = self.session.post(
-            f"{BOOKING_API_BASE}/order/bookings?include=customer&stateless=1",
+            f"{BOOKING_API_BASE}/order/bookings",
+            params={
+                'stateless': '1',
+                'include': 'customer,voucher,bookings.booking_add_ons.add_on.cover_image,bookings.sub_bookings.resource,bookings.sub_bookings.service,bookings.customer,bookings.service.custom_forms.custom_fields,bookings.service.add_ons.cover_image,bookings.service.add_ons.group,bookings.cancellation_policy,bookings.resource.cover_image,bookings.resource.parent,bookings.resource.location,bookings.resource.category,bookings.reminders,bookings.booking_series,bookings.sequenced_bookings.resource,bookings.sequenced_bookings.service,bookings.sequenced_bookings.service.add_ons.cover_image,bookings.sequenced_bookings.service.add_ons.group,bookings.booking_participants,sub_orders.bookings,sub_orders.organization.legal_documents'
+            },
             json={
                 "resource_id": [resource_id],
                 "service_id": {SERVICE_ID: 1},
diff --git a/config/constants.py b/config/constants.py
index 106d817..b43c6ee 100644
--- a/config/constants.py
+++ b/config/constants.py
@@ -4,7 +4,7 @@ BOOKING_API_BASE = "https://b.anny.eu/api/v1"
 CHECKOUT_FORM_API = "https://b.anny.eu/api/ui/checkout-form"
 RESOURCE_URL = f"{BOOKING_API_BASE}/resources/1-lehrbuchsammlung-eg-und-1-og/children"
 SERVICE_ID = "449"
-RESOURCE_ID = "5960"  # Will be set dynamically if None, else use the given ID
+RESOURCE_ID = None # "5957"  # Will be set dynamically if None, else use the given ID
 TIMEZONE = "Europe/Berlin"
 SSO_PROVIDER = "kit"  # Available: kit (add more in auth/providers/)
 
diff --git a/main.py b/main.py
index 0d21451..ca2a4a4 100644
--- a/main.py
+++ b/main.py
@@ -42,16 +42,16 @@ def main():
 
     times = [
         {
-            'start': '13:00:00',
-            'end': '18:00:00'
+            'start': '14:00:00',
+            'end': '19:00:00'
         },
         {
-            'start': '08:00:00',
-            'end': '12:00:00'
+            'start': '09:00:00',
+            'end': '13:00:00'
         },
         {
-            'start': '19:00:00',
-            'end': '21:00:00'
+            'start': '20:00:00',
+            'end': '24:00:00'
         },
     ]