1. Good afternoon, where are you flying today?
I'm flying to Stockholm.
I'm going to fly to Stockholm.
I'd like to fly to Stockholm.

2. (..) please?
Can I see your passport (...)
Could I see your passport (...)
May I see your passport (...)

3. (...) my boarding pass?
Do you want to see (...)
Do you need to see (...)
Would you like to see (...)

4. Unfortunately,
your flight has been delayed. It's now scheduled to depart tomorrow at 6 pm.
your flight has been cancelled.
your flight has been delayed. It's now scheduled to depart at 6 pm.

5. I'm (...)
(...) sorry for the inconvenience.
(...) sorry for the annoyance.
(...) sorry for the trouble.

6. Are you ...
... checking any luggage today?
... checking any bags today?
... checking any baggage today?

7. Yes,
I only have one bag to check.
No, I mean, I only have one bag to carry on.
I have one bag to check and one bag to carry on.

8. Have you left your bags unattended at any time?
No, I've always had my bags with me.
No, I haven't.
Just for a little while.

9. Right now you have a middle seat, would you prefer a window seat or an aisle seat?
Er, I don't really mind.
Er, an aisle seat, please.
Er, a window seat, please.

10. Here is ...
your boarding pass and your baggage claim.
your boarding pass and your baggage.
your boarding pass and your luggage.

11. Go through security and (...)
(...) your flight will depart from gate B 25. The flight boards at 5:30.
(...) your flight will depart from gate G 25. The flight boards at 4:30.
(...) your flight will depart from gate D 25. The flight boards at 5:30.

12. A boarding pass is ...
registering one's presence, typically as a passenger at an airport.
a document provided by an airline during check-in, giving a passenger permission to enter the restricted area of an airport and to board the airplane for a particular flight.
a gate that allows air passengers to go from the terminal to the airplane.

13. An aisle is a walkway on a plane or a bus,
so an aisle seat allows you have a view of the outside through the window.
so an aisle seat has got other seats on both sides.
so an aisle seat allows a passenger to stand up and strech their legs more.