乘坐火车应该说些什么?

请你告诉我售票处在哪里好吗？
Would you tell me where is the booking office / the ticket window?

请问到纽约有特快火车吗？
Is there any express train to New York?

我们有很多趟去北京的列车，慢车、普快、直快、特快和旅游列车。
We have many trains going to Beijing, the local train, the fast train, the through train, the express train, and the tourist train.

我要两张软卧下铺票。
Two cushioned lower berths, please.
（上铺：upper berth 下铺：lower berth 硬卧：semi-cushioned berth / hard berth 软卧：cushioned berth/soft berth）