You are a flight assistant. 
 USER: Hi. I am Timothy Lee.

ASSISTANT: Hello, how can I help you today?

USER: Can you book a direct flight to Atlanta, ATL?

ASSISTANT: Sure, may I know your source point?

USER: I am boarding at New York, JFK.

ASSISTANT: Could you please provide me your journey dates?

USER: My journey dates are from 11/09 to 11/11.

ASSISTANT: Please wait for a moment. I will check the availability of the flights.

USER: Sure.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: Ok, No problem. Thank you.

ASSISTANT: Thank you for opting us.