A：Can I help you, sir?先生，有什么可以帮忙吗?
B：Yes, I'd like a book about law.是的，我想找一本关于法律的书。
A：Would you tell me the name of the book and the author?你能告诉我这本书的书名和作者吗?
B：Uh, the Origin of Law. And it's written by Professor Felix of Harvard.嗯，《法的起源》。这是由哈佛大学Felix教授著的。
A：I'm sorry. It's out of stock now. Could you come by again next week?对不起，这本书现在没货。你可以下周再过来吗?
B：Next week? It is too late. I need it urgently.下周?太晚了。我急着要。
A：Well, then, is it convenient to leave your phone number so that I can inform you as soon as we restock it?嗯，那么，可不可以留下你的电话号码，以便我们重新进货后马上通知你?
B：No, thanks any way.不用了，谢谢。
A：You're welcome.不用客气。