reservationnoun
A place or service you keep for yourself by asking for it before you arrive.
mistakenoun
Something said or done incorrectly, usually without meaning to.
roomnoun
A room with a bed, where you sleep.
cameraroom
Excuse me, this isn't the room I booked months ago.
prenotazionereservation
Could you check the reservation, please: I had asked for a double room.
erroremistake
I think there's been a mistake with my room.