You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I support you today?

USER: I have planned a 3 days trip to New York, NY - JFK from 11/12 to 11/14. Can you please book a ticket for me?

ASSISTANT: Sure. May I know your good name?

USER: William Green is my name.

ASSISTANT: Let me know your source code.

USER: Chicago, IL - ORD is my origin airport.

ASSISTANT: Please wait for a while.

USER: OK.

ASSISTANT: Thanks for waiting, there is no flights found on your given requirements.

USER: Ok, not a problem. Thanks for the response.

ASSISTANT: Thank you for picking us.