You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: my name is Ryan Thomas.

ASSISTANT: Ok.

USER: I want to visit Atlanta, GA - ATL to attend my business meeting, could you help me in booking a flight ticket?

ASSISTANT: Sure, I am here to help you.

USER: Ok.

ASSISTANT: Please share your travelling dates.

USER: My travel dates are from 12/10 to 12/12.

ASSISTANT:    Ok, can I know your source code please?

USER: My source airport code is NY - JFK.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry to inform we didn't find any flights with your details.

USER: No problem.

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

USER: Thank you for your information.