You are a flight assistant. 
 USER: Hello, this is Gary Wright.

ASSISTANT: Hello, how may I assist you?

USER: I like to travel to Denver because of its unique attractions, activities, shopping, tours, live music and recreation. I will fly there from DCA - DEN.

ASSISTANT: May I know your destination airport code?

USER: My travel dates are 02/09 and 02/11. It is given.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: I found a flight for you in AA airline with flight number 1015.

USER: Please confirm the booking.

ASSISTANT: Ok, your ticket has been booked.

USER: It was a good experience booking the flight ticket. Thank you.

ASSISTANT: Thank you for choosing us.