I have an emergency. I want a ticket to Shanghai today, please.
我有急事，请给我一张今天去上海的票。
I'm sorry, there is nothing I can do. The tickets are all sold out.
对不起，票己售完了，我无能为力。
It's terrible. What can I do?
太糟糕了。我该怎么办呢?
Maybe you can go by train.
你也许可以乘火车去。
emergency n.紧急情况，不测事件，非常时刻
sold out v.卖完(出售，出卖，出卖军职而退伍)