I'm due to check out tomorrow. 我應該明天退房。

1. due 預期的；預計的
When's the baby due?
孩子什么時候出生？
The next train is due in five minutes.
下一輛列車預計五分鐘后抵達。
My essay is due next Friday.
我的論文下周五必須交。

2. check out
1)退房；結賬離開
I'd like to check out.
我要退房。
2)檢查
I'm gonna check out his truck.
我要去檢查他的卡車。

A:Good morning,sir.Can I help you?
早上好，先生，有什么可以幫您的嗎？
B:I'm due to check out tomorrow,but I'd like to extend my stay by two days.
我應該明天退房。但是我還想再住兩天。
A:Could I have your name and room number?
我可以問一下您的姓名和房間號嗎？
B:Tom Black in Room 207.
湯姆 布萊克，207房間。
A:Please wait a moment,Mr Black.I'll have to check the reservation records...I'm sorry,but we are expecting several tour groups to arrive today.They have booked all the rooms on the 10th floor.
請稍等，布萊克先生。我得查一下預約記錄。對不起 ，今天我們要接待一個旅行團，他們預定了10層的所有房間。
B:What can be done then?
那怎么辦呢？
A:If you don't mind transferring to another room,we may manage it for you.We usually have cancellations or no-shows.
如果您不介意搬到另一個房間住，我們可以為您安排。我們通常會有取消的預訂或者沒有來的客人。
B:That's quite all right.Thank you.
那太好了，謝謝你。
A:It's my pleasure.
不客氣。