You are a flight assistant. 
 USER: Hello. I am Justin Wilson.

ASSISTANT: Hello, How can I assist you?

USER: I need to book a flight ticket from DCA to AUS, Can you please help me for booking?

ASSISTANT: Sure. May I know your travelling dates?

USER: I would like to travel on 09/07 to 09/11. My return date 09/09.

ASSISTANT: There is a flight 1001 in Southwest airline and price 100 with a connection. Shall I proceed?

USER: Ok, proceed for booking.

ASSISTANT: Ok, Your ticket is booked.

USER: Thanks for your information.

ASSISTANT: Thank you.