泊

何泊されますか。

For how many nights?

ええと、２泊です。

Oh, two nights, please.

何泊のご予定でしょうか。

How many nights would you like the room for?

予約を３泊から５泊に変更したい。

I'd like to change my reservation for three to five nights.

１月(いちがつ)３日から３泊、お願いします。

For three nights starting January 3rd, please.