You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: David Hill this side, can you find a flight for me from ATL to CLT?

ASSISTANT: Sure, can you please tell your travelling dates?

USER: My trip dates are from 01/31 and 02/02.

ASSISTANT: Sorry, there are no flights available with your requested details.

USER: It's ok, not an issue for me. Thanks for checking.

ASSISTANT: Thank you and have a nice day.