仔細聆聽下列對話後回答問題

A client leaving a message

Janet: Good morning, this is Hua Tai Cosmetics.

David Wang: May I speak to Mr. Hu, please ?

Janet: I am sorry, sir. He’s not available now. He will have a meeting all day today.  Would you like to leave a message?

David Wang: All right.  This is David Wang from Sun Rise Company.  I‘d like to talk to him about advertising.

Janet: How do I spell your name, please?

David Wang: D-A-V-I-D W-A-N-G

Janet: May I have your telephone number or cell-phone number, please?

David Wang: Please call 780-3029.

Janet: OK.  Call 780-3079.

David Wang: No.  It’s 780-3029.

Janet: Sorry!  Call 780-3029.

David Wang: That’s right.

Janet: All right.  I will tell Mr. Hu to call back.

David Wang: Thank you.  Bye.

Janet: Bye.