星級典句：

第一句：I want to change a reservation.
我想更改預定。

A: I want to change a reservation.
我想更改預定。
B: Is the reservation for yourself or for another party?
更改你自己的還是別人的？
A: For me, please. And my name is Mary?
我自己的，我叫瑪麗。

第二句：I'd like to extend it for two more nights.
我想在延期兩個晚上。

A: What can I do for you, madam?
可以為您效勞嗎，女士？
B: Yes, my name is Alice, and I made a reservation for two more nights until March 8th.
是的，我是愛麗絲，我原先預定了兩晚的房間，日期是3月5日。我想再延期兩晚到3月8日。
A: For four nights from March 5th to March 8th. We will make the correction for you.
從3月5日到3月8日共四晚。我們給您更改一下。

更改預定的相關表達法還有：

I'd like to cancel my booking for a single room.
我想取消預定的單人房間。

I want to cancel my reservation for two nights in the name of Smith.
我想取消以史密斯的名字預定的兩晚住宿。