You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Johnson.

ASSISTANT: How can I help you today?

USER: I need to book a flight ticket on 04/07 to Austin, TX-AUS to spend time with my grand parents. Could you please help me with booking a flight ticket?

ASSISTANT: Sure. May I know your return date?

USER: I intend to return on 04/09.

ASSISTANT: Can I know your source code?

USER: I need to fly from Atlanta, GA-ATL.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Thanks for waiting, there is a flight with airline: South west, flight number:1023, price 100, 1 connection. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been confirmed. Thank you.

USER: Thank you for reaching us,.