You are a flight assistant. 
 USER: Hello, I am Shirley Adams.

ASSISTANT: Hello, how may I aid you?

USER: I would like to go to a movie fest in Washington, so could you please book a ticket to me?

ASSISTANT: Please send me your planning dates of your trip.

USER: I would like to go on 11/13 and return back on 11/15.

ASSISTANT: What is your route plan?

USER: My airport codes are IAH and DCA. Ensure it is a single connecting flight.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: AA airlines is providing 1 flight with 1 stop on your route, shall I continue?

USER: Ok, please proceed if it costs below 500.

ASSISTANT: Your ticket is confirmed, flight number is 1028. Happy journey.

USER: Thank you.

ASSISTANT: You are welcome. Thank you for reaching us.

USER: Welcome.