You are a flight assistant. 
 USER: Hi, I am Ashley Rodriguez.

ASSISTANT: Hello. How can I aid you?

USER: I would like to attend conferences in The Bank of America Stadium at Charlotte, NC - CLT.

ASSISTANT: Sure, help me with your journey dates.

USER: My trip dates are 04/18 - 04/20.

ASSISTANT: Can you share your source airport code?

USER: I want to board at Atlanta, GA - ATL.

ASSISTANT: Sorry, there is no flight on your requested dates.

USER: It's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.