overnight stay, put up at, ride at anchor

１月３日から３泊、お願いします。

For three nights starting January 3rd, please.

何泊されますか。

For how many nights?

何泊のご予定でしょうか。

How many nights would you like the room for?

ええと、２泊です。

Oh, two nights, please.

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.

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.

今晩から三泊、予約をしてあります。

I have a reservation for three nights from tonight.

一番安い部屋を１室、４泊お願いします。

I'd like the most inexpensive room you have for four nights.

予約を３泊から５泊に変更したいのですが。

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

予約を３泊から５泊に変更したいのですが。

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