You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am looking for a flight from SEA to DCA, can you help me in booking?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my planned travel dates are Feb 07 and Feb 09.

ASSISTANT: Do you have any connection limit?

USER: Please look for a connecting flight.

ASSISTANT: Can I know your name?

USER: Myself Gary Davis.

ASSISTANT: There is a connecting flight 1023 of American Airlines, can I proceed?

USER: That's fine, please proceed in booking.

ASSISTANT: Your booking is done.

USER: Thank you for the service.

ASSISTANT: Welcome.