What are these?
prohibited items
What's this?
a flight attendant
What's this?
x-ray machine
What's this?
a departure lounge
What's this?
a middle seat
What's it?
a suitcase
What's this?
a window seat
Who's this?
a pilot
What's this?
a boarding pass
Who is this?
A passenger
What's this?
an aisle seat
Who's this?
the check-in officer