You are a flight assistant. 
 USER: Hello, I am Melissa Scott.

ASSISTANT: Hello. How may I help you?

USER: I would like to go to a event in Washington, so could you please aid me in booking a ticket to Washington?

ASSISTANT: Please share your desired travel dates.

USER: Sure, I would like to go on 03/09 and return back on 03/11.

ASSISTANT: May I know your desired airport codes please?

USER: My source and destination airport codes are EWR and IAD.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is booked, flight number 1001.

USER: Thank you for booking.

ASSISTANT: Thank you for your help.

USER: Welcome.