You are a flight assistant. 
 USER: Hello, I am Frank Moore.

ASSISTANT: Hello, how may I support you for the day?

USER: Can you please a flight ticket to Denver for holiday vacation on 05/11?

ASSISTANT: Sure, we are here to help you. When your planning to return on?

USER: I need to return on 05/13.

ASSISTANT: Please share your airport codes?

USER: My airport codes are from ATL to DEN.

ASSISTANT: We found a flight 1002 in Southwest airline. The price is 100 with one stopover.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed. Thank you for making us to serve you.

USER: Thanks for booking my ticket.