You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Myself Jonathan Green. I am looking for a flight from ATL to OAK, can you help me in booking the flight ticket from Atlanta?

ASSISTANT: Sure, can I know your preferable dates?

USER: Sure, my planned travel dates are 04/15 and 04/17.

ASSISTANT: I found a flight 1007 of Frontier airlines matches with your preferences, can I proceed?

USER: That's fine, please proceed in booking with this flight.

ASSISTANT: Your ticket is booked.

USER: Thank you for your expeditious service.

ASSISTANT: Thank you, have a good day.