请尽早回复，告之是否有空房、房价及是否需要预付押金等。

Please reply me as soon as possible, tell me the room rates, availability of vacancies, and whether I need to pay a deposit in advance.

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

须预付10%的押金。

A 10% deposit is payable in advance.

《牛津词典》