我晚一点到，请保留预订房间。

I'm going to be arriving late, but please keep my reservation.

youdao

我将会较晚到本酒店，但请为我保留预订。

I'll arrive late, but please keep my reservation.

youdao

若无预付押金保证金订房或预先通知晚班航班的抵达时间，酒店将保留预订的房间至到达当日下午6点。

Room reservation is held until 6:00pm unless guaranteed by Abvance deposit or late flight details have been advised.

youdao