乘客A:
Excuse me, is this seat taken? 

对不起,这个座位有人坐吗?
乘客B:
No, I don't think so. 

我想应该没有人。
乘客A:
Thanks,I am waiting for the train at 9 o’clock to Shanghai.Where will you go? 

谢谢,我在等9点到上海的火车,你去哪呢?
乘客B:
What a coincidence! we are the same train. 

真是太巧了,我们同一列火车。
乘客A:
Really? What is your seat number? 

真的吗?你座位几号?
乘客B:
No.5 on the second row. And you? 

第二排5号,你呢?
乘客A:
I am on the third row, No.10. 

我第三排10号。
乘客B:
Could you please keep an eye on my luggage? I want to go to the washroom. 

你能帮我照看下行李吗?我去下洗手间。
乘客A:
No problem. 

没问题。
乘客B:
Thank you so much. 

非常感谢。