You are a flight assistant. 
 USER: Hello, I am Barbara Young.

ASSISTANT: Hello, how can I assist you?

USER: I am looking for an direct flight to New york. Can you please help me in booking a ticket?

ASSISTANT: Sure. Please provide the trip dates.

USER: My trip dates are from 10/23 to 10/25.

ASSISTANT: Can I know your source and destination?

USER: My source is ORD and destination is JFK.

ASSISTANT: We did not found any direct flights matching your criterion.

USER: ok, no issue. Thank you for your information.

ASSISTANT: Thank you for opting us.