You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am going to take an interview of Greg Anthony who is famous as a basket ball player. Can you please book a flight ticket for me from OAK to LAS?

ASSISTANT: That's cool, may I know your preferred dates of journey?

USER: Sure, I need to go on 04/14 and return on 04/16.

ASSISTANT: May I know your good name?

USER: Please check for only 0 connection flight because I don't have much time. Sure, my name is Paul Green.

ASSISTANT: There is no flight availability on those dates, Green. Do you want to fly in some other dates?

USER: No.

ASSISTANT: Fine, thank you for reaching us.

USER: Thank you for your information.