Dialogue 1
P:    When does the first train arrive?               请问首班车是什么时候？
S:    It arrives at 8:30.                            首班车8点30分。
P:    What about the last train?                     那末班车是什么时候？
S:    9 p.m.                                     晚上9点。
Dialogue 2
P:     Excuse me, I want to buy a ticket.                您好，我要买张票。
S:     Where are you going?                          您要去哪里？
P:     Shuang Long.                                 双龙。
S:     I'm sorry. The last train has already left.            抱歉，末班车已经开走了。
P:     What time does the last train leave to Shuang Long?  到双龙的末班车几点？
S:     9:00 p.m.                                     晚上9点