1. The number of the seat is printed on the ticket.
2. All departures are delayed.
3. The stewardess gives you instructions before the flight.
4. First of all- go to the check desk.
5. I need two tickets to Boston.
6. I want to rebook the tickets.
7. You should fill in the declaration form.
8.have you any liquids in your carry-on?
9. I have lost my luguage.
10. Here are the seats for invalids.