1. número   pilot   number   domestic   window seat   Hint Half-n-half Clue   2. baño   meal   toilet   international   window seat   Half-n-half Clue   3. portón   ticket   escalator   gate   pilot   Half-n-half Clue   4. reservación   customs officer   aisle seat   reservation   confirmation   Half-n-half Clue   5. pasajero   immigration   money   passenger   customs clearance   Half-n-half Clue   6. número de vuelo   duty free   seat belt   aisle seat   flight number   Half-n-half Clue   7. asiento de la ventana   domestic   international   immigration   window seat   Half-n-half Clue