You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in reserving the ticket from AUS to ATL?

ASSISTANT: Sure, please share me your trip dates.

USER: I would like to travel on Sept 11 and again I will return back on Sept 13.

ASSISTANT:  Can I know your good name please?

USER: Myself Rebecca Garcia.

ASSISTANT:  Do you have any connection limit?

USER: I am comfort to travel in single connection flight.

ASSISTANT: Are there any other specifications?

USER: I want to return in the evening.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: Not a big deal, anyhow thank you very much for your information.

ASSISTANT: Thank you for opting us.