You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Carol Adams.

ASSISTANT: How may I assist you?

USER: I am planning to visit National Art museum at New York, can you please help me with booking a flight ticket from DCA?

ASSISTANT: Sure, I will help you to book your ticket. May I know your trip dates?

USER: Sure, I would like to take off on 09/29 and return back on 10/01.

ASSISTANT: If you know New York's airport code then please let me know.

USER: Definitely, New York airport code is LGA.

ASSISTANT: There is a flight available for you with 1 connection. Shall I proceed?

USER: Ok, please proceed with the booking if the price limit does not exceed 5000.

ASSISTANT: Ok. Your ticket is booked in 1017 flight.

USER: Thank you for your help.

ASSISTANT: Welcome.