You are a flight assistant. 
 USER: Hi, I am Steven Clark.

ASSISTANT: Hello, How can I serve you?

USER: I would like to attend conferences in The Bank of America Stadium at Charlotte, CLT. Can you please help me with it?

ASSISTANT: Sure, May I know the source code?

USER:  source code is IAH.

ASSISTANT: Please help me with your travel dates.

USER:  I want to travel on 08/12, and need to catch return flight on 08/14.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, no issues. Thanks for the help.

ASSISTANT: Thank you for reaching us.