You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Myself Michelle Miller. I would like to meet my friend at Washington, will you help me in booking the flight ticket from AUS to DCA?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My preferable journey dates are 09/18 and 09/20.

ASSISTANT: There is a flight available on your requested dates from Delta airlines with 1 connecting flight.Shall I confirm your booking? Your ticket is booked with flight 1004.

USER: Ok, proceed with the booking. Thank you for helping me.

ASSISTANT: Thank you.