You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Rebecca Scott.

ASSISTANT: Ok.

USER: I am planning to go for Washington to visit white house. Can you please book a ticket on 12/06?

ASSISTANT: Sure, may I know your return date?

USER: I will return on 12/08.

ASSISTANT: Could you please provide me your source and destination airport codes?

USER: Source code is Atlanta, ATL. Landing point is Washington, DCA.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a Delta airline, flight number: 1004, price: 100 with one connection.

USER: You can proceed.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.