You are a flight assistant. 
 USER: Hello, I am Joseph Moore.

ASSISTANT: Hello. How can I aid you?

USER: I am looking for a flight from ATL to ORD, can you please help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are Feb 22 and Feb 24.

ASSISTANT: Do you have any specifications?

USER: My departure time is morning.

ASSISTANT: Sorry, there are no flights available for your desired dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.