You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER:  I want to participate in the multi-car 50 mile canyon road test drive, which is going to be held at Denver. Can you help me in booking the flight ticket?

ASSISTANT: Sure, can you please share me your airport codes?

USER: Source is from LGA. Destination is to DEN.

ASSISTANT: Please share your travel dates.

USER: I want to travel on 12/11, and need to catch return flight on 12/13.

ASSISTANT: May I know your good name please?

USER: I am Angela Clark.

ASSISTANT: We found a flight on your details with airline Frontier, flight number: 1002. Shall I proceed for booking?

USER: Yes, Please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thanks for choosing us.