diff --git a/src/Controller/Booking/CreateStep2Controller.php b/src/Controller/Booking/CreateStep2Controller.php
index d186bcc..ec26149 100644
--- a/src/Controller/Booking/CreateStep2Controller.php
+++ b/src/Controller/Booking/CreateStep2Controller.php
@@ -9,6 +9,7 @@ use App\Form\BookingCreateStep2Type;
 use App\Form\Model\BookingCreateDto;
 use App\Form\Model\ParticipantDto;
 use App\Service\BookingService;
+use App\Service\TravelDataService;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -27,6 +28,7 @@ class CreateStep2Controller extends AbstractController
 
     public function __construct(
         private readonly BookingService $bookingService,
+        private readonly TravelDataService $travelDataService,
     ) {
     }
 
@@ -40,6 +42,9 @@ class CreateStep2Controller extends AbstractController
             ->bookingService
             ->getOrCreateBookingCreateDto($request);
 
+        // Enrich with fresh availability data
+        $this->enrichWithFreshAvailabilities($bookingCreateDto);
+
         // Validate step access
         $this->validateStepAccess($bookingCreateDto, 2);
 
@@ -89,6 +94,10 @@ class CreateStep2Controller extends AbstractController
     public function refreshParticipantForm(Request $request): Response
     {
         $bookingCreateDto = $this->bookingService->getOrCreateBookingCreateDto($request);
+
+        // Enrich with fresh availability data
+        $this->enrichWithFreshAvailabilities($bookingCreateDto);
+
         $participantsCount = $this->getParticipantsCount($bookingCreateDto);
 
         // Process form data without validation to capture current state
@@ -150,4 +159,21 @@ class CreateStep2Controller extends AbstractController
             $bookingCreateDto->participants[$i] = $participant;
         }
     }
+
+    /**
+     * Enriches travel data with fresh availability information from BusProNet API.
+     *
+     * Fetches current availability data and patches the travel object to ensure
+     * service availability is up-to-date for the booking form.
+     */
+    private function enrichWithFreshAvailabilities(BookingCreateDto $bookingCreateDto): void
+    {
+        $dateId = $bookingCreateDto->travel->id;
+
+        $availabilities = $this->travelDataService->getAvailabilityData($dateId);
+
+        if (null !== $availabilities) {
+            $this->travelDataService->patchAvailabilities($bookingCreateDto->travel, $availabilities);
+        }
+    }
 }