Y: Excuse me. Is this seat taken?
X: No, it isn't.
Y: Am I on the right train to Chicago?
X: Oh, no. This is going in the opposite direction.
Y: Oh, my God!
X: I suggest you get off at the next stop and ask again at the station.
Y: I will. Thank you.
Y:对不起,这个座位有人坐吗?
X:没有人坐。
Y:我坐的是往芝加哥去的火车,对吧?
X:哦,不对。这是开往相反方向的火车。
Y:啊,天哪!
X:我建议你在下一站下车,然后在车站再问一下。
Y:好的,谢谢你。