You are a flight assistant. 
 USER: Hi,. I am Gregory Martin.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket to attend Conference about Social Issues in Austin, TX - AUS. Can you please book a flight ticket with one connection?

ASSISTANT: Sure, may I know your source airport code?

USER: My departure airport code is from Washington, DC - IAD.

ASSISTANT: Can you please provide me your planned journey dates?

USER: I want to start my journey on 08/03 and return on 08/05.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a Delta airline, flight number: 1007, price: 100 with one connection.

USER: Please confirm with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thank you, have a good day.