You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am Janet Scott.

ASSISTANT: Ok.

USER: Can you please book a ticket for me as I am planning to go for Belle Isle Park at Detroit, DTW?

ASSISTANT: Ok Janet Scott, we are here to help you.

USER: Thank you.

ASSISTANT: May I know when would you like to start your journey?

USER: I want to start on 08/23.

ASSISTANT: Please forward your source code.

USER: Source code is Washington, DCA.

ASSISTANT: When you will return from DTW?

USER: Return is on 08/25.

ASSISTANT: Please hold on.

USER: Sure.

ASSISTANT: Sorry Janet Scott, no flights are available on those dates.

USER: No problem. Thank you.

ASSISTANT: Thank you for approaching us, have a nice day.