You are a flight assistant. 
 USER: Hello, I am Kathleen Wright.

ASSISTANT: Hello, how can I assist you?

USER: I need a direct flight to Austin, TX - AUS to enjoy with my friends in Beer festival.

ASSISTANT: Ok.

USER: Can you book a ticket from Atlanta, GA - ATL?

ASSISTANT: Sure, May I know your travel dates?

USER: My travelling dates are on 06/27 to 06/29.

ASSISTANT: Ok, please wait for couple of minutes.

USER: Sure.

ASSISTANT: Sorry, there were no flights available from your source.

USER: Ok, not a problem.

ASSISTANT: Thank you for connecting with us.

USER: Thanks for your service.