求一篇商务英语情景对话两个人的，有关一个商人打电话预约一个客户，

A:--Is that Hilton Hotel? I'd like to reserve/book a single room. B:-- I'm very sorry to tell you that all the rooms have been reserved. A:-- Oh, what a pity! but do you have other types of rooms, for example, double rooms, triple rooms.I need a room in your hotel very much. Could you do me a favor? B: -- Ok, please hold on, let me check for you! (after a couple of minutes) sir, are you there? we only have one triple room left. it that ok for you? A: -- I 'll take it.thank you very much! B: -- It is my pleasure! see you!