貸切風呂（家族風呂）は空いていますか。
Is the private bath (family bath) available?
Staff may askただいま1室空いております。1時間2000円です。ご予約されますか。
We have 1 room available now. It's 2,000 yen per hour. Would you like to reserve it?
Staff may askあいにく本日は予約でいっぱいです。大浴場のみとなります。
Unfortunately, all private baths are fully booked today. Only the large bath is available.