Dialogue 1
P:    Excuse me, where can I get a ticket?       
请问在哪里买票？
S:    You can buy it through the machine. It's over there.
      请在自动售票机买票，就在那里。
P:    Can I pay with US dollars?
我可以用美元付款吗？
S:    Sorry, we don't accept foreign currency. Please exchange for RMB at the bank.
      非常抱歉，我们不收外币。请到银行兑换成人民币。
Dialogue 2
P:    I 'm going to Shuang Long Station. What's the fare? /How much is the fare to Shuang Long Station?
      我要去双龙站，多少钱？
S:    Two yuan, please. By the way, do you have coins?
两元钱。你有零钱吗？
P:    No.    没有。
S:    Ok. I can change for you. Wait a moment, please. This is your change. Here you are.       好的，我找给你。请稍等。这是您的零钱，请拿好。
P:    By the way, does my boy/girl need to buy a ticket?
      顺便问下，我的孩子需要买票吗？
S:    Yes, he/She does because his/her height is above 1.2 meters.
      需要，因为他/她的身高已经超过1.2米了。
Dialogue 3
P:    Could you tell me how much is left in my ticket/card? 我想知道车票/卡里还有多少钱？
S:    You can inquire it through the Ticket Checking Machine over there.
您可以在那边的验票机上查询。