B: No, i haven't had the pleasure

A: This is my friend and colleague Cindy , this is Mr. Martin from Columbia University

C: How are you , Cindy ?

B: How do you do Mr. Martin ? I know you by reputation and i am very happy to have an opportunity to finally meet you

A: Professor Martin has come to our university to give us a serious accounting lectures

C: Yes, and it offered me an excellent chance to look around BeiJing , i have been looking forward to exploring

B: I could be your guid if you need one

C：Really ? that is so kind

B: Any time, just call whenever you want to go out .Bill has my number.

C: Thank you very much.