Tell your teacher, in complete spanish sentences, the sequence of events from the time you arrive at the airport until you board the airplane. use your own words.

Cuando llegamos al aeropuerto, nos registramos en nuestras maletas. Luego pasamos por seguridad. Después de pasar por seguridad, vamos a la puerta y presentamos nuestro boleto. Cuando llaman a tu clase de embarque, abordas el avión y encuentras tu asiento.

Explanation:

the English translation:  

When we arrived at the airport, we checked in our bags. Then we went through security. After going through security, we go to the door and present our ticket. When they call your boarding class, you board the plane and find your seat.