You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to visit Atlanta for a business meeting, can you please help me out with booking of a flight ticket from AUS to ATL?

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

USER: Thank you for your response, I want to take off on Feb 15 and book my return ticket also on Feb 17.

ASSISTANT: Do you have any connection limit?

USER: I want a direct flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: Sure, my name is Larry Parker.

ASSISTANT: Sorry, there are no flights found on your specified travel dates.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you.