You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Daniel Rodriguez. I want to book a flight ticket to meet my childhood friend in Las Vegas. Could you help me in booking a flight ticket?

ASSISTANT: Sure, when are willing to travel?

USER: I would like to fly on 12/13 and return on 12/15.

ASSISTANT: May I know your source and destination airport codes please?

USER: My source is Atlanta, GA - ATL and destination is NV - LAS.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a flight ticket in Southwest airline with fare of 100 in 1006 flight number. Shall I proceed for booking?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for availing us.