You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Myself Carolyn Clark. I am looking for a round trip flight from Washington, to meet my friend. Can you help me in booking the flight ticket from DCA?

ASSISTANT: May I know your trip dates?

USER: Sure, my travel dates are 08/25 and 08/27.

ASSISTANT: If you now your Washington airport code then please let me know.

USER: Yes, I have mentioned above.

ASSISTANT: There is a flight for you with 1 connection in AA airline and fare is 200. Shall I proceed?

USER: Proceed booking with that flight.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.