a place to store carry-on bags above the passenger seats

The document you need to travel to different countries

the place where passengers pick up their bags after the plane lands

It is the code written on your boarding pass.

It is the area of entry into a Country, typically at the airport at which goods and cargo are searched for various reasons, such as ensuring persons are bringing in no illegal items etc

to leave the ground, usually in a plane

Before you can board your flight you have to go through...

What do you do first when you arrive at the airport?

the lowest class of traveling; economy tickets are the cheapest tickets

It is the area where passengers board to the aircraft

A safety device used during an emergency landing in water.

What types of seats are available on a plane?

when the passengers get on the plane