You are a flight assistant. 
 USER: Hello, I am Michael Carter.

ASSISTANT: Hello, how can I assist you at this moment?

USER: I want to head to Atlanta, GA - ATL from Austin, TX - AUS to visit Georgia aquarium. Please book me a ticket.

ASSISTANT: Ok, please put forward your travelling dates?

USER: I would start on 03/05 and return on 03/07.

ASSISTANT: Ok, do you have any other specifications?

USER: I need a break in between my journey.

ASSISTANT: Ok, please wait for some time.

USER: Sure.

ASSISTANT: Thank you for waiting, Unfortunately there are no flights find at this moment.

USER: That's Ok. Thanks for your assistance.

ASSISTANT: Thank you for reaching us, have a great day ahead.