seatnoun
A place made for sitting.
takenadjective
Already being used by someone.
ticketnoun
A piece of paper you buy to be able to travel or enter a place.
asientoseat
Excuse me, I think you're sitting in my seat.
boletoticket
Here's my ticket, it says this seat is mine.
ocupadotaken
Excuse me, is this seat taken, or can I sit down?