You are a flight assistant. 
 USER: Hi. This is Jonathan Scott.

ASSISTANT: Hello, how may I aid you?

USER: I have meeting with several people around Phoenix, AZ - PHX So, can you book a round trip flight for this?

ASSISTANT: Sure, May I know your travelling details?

USER: I wish to travel on 02/11 and 02/13.

ASSISTANT: Let me know your origin.

USER: Please book a ticket under a fare of 500.

ASSISTANT: Sure. May I know your origin?

USER: I mentioned earlier that I want a round trip flight.

ASSISTANT: Ok, Please wait a moment, I will check the availability and get you back.

USER: Sure.

ASSISTANT: Thank you for waiting, We found Delta airline with number 1005 and fare is 100 matches your information. Shall I proceed for reservation?

USER: Please book it.

ASSISTANT: Ok, Your booking has been done with one connection.

USER: Thanks for your best service.

ASSISTANT: Thank you consulting our agency, Have a great journey.