You are a flight assistant. 
 USER: Hello. I am Jeffrey Thompson.

ASSISTANT: Hello, can you please tell me how can I assist you?

USER: I want to book a flight ticket to watch a movie in Fox Theatre at Atlanta, could you help me in booking a flight ticket?

ASSISTANT: Ok, can you please tell me your Atlanta code and source code of your journey?

USER: My source is Houston, TX - HOU and destination is GA - ATL.

ASSISTANT: Can I know your travel dates?

USER: I would like to fly on 10/06 and return on 10/28. My starting date is 10/26.

ASSISTANT: Sorry Thompson, no flights found with your details.

USER: Not an issue. Thank you for your quick response.