fix:

app/dialogflow/services/dialog_service.py

@@ -83,7 +83,7 @@ class DialogService:
             print(e)
             raise Exception("Error fetching trip data")
     async def search_trip_by_id(self, trip_id: int, from_time: int, to_time: int, route_ids: list[int], ticket_count: int = 1):
-        trip = self.search_trip(from_time, to_time, route_ids, ticket_count)
+        trip = await self.search_trip(from_time, to_time, route_ids, ticket_count)
         for item in trip:
             if trip_id == item["id"]:
                 return item
@@ -105,7 +105,7 @@ class DialogService:
 
     async def pickup_list(self, route_id: int, way_id: int):
         try:
-            data = self.stops(route_id, way_id)
+            data = await self.stops(route_id, way_id)
             if not data:
                 return []
             
@@ -131,7 +131,7 @@ class DialogService:
 
     async def dropoff_list(self, route_id: int, way_id: int):
         try:
-            data = self.stops(route_id, way_id)
+            data = await self.stops(route_id, way_id)
             if not data:
                 return []