You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Katherine Lopez. I am planning to book a ticket from AUS to AUS. Can you please help me out to book a ticket for me?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I would like to travel on 04/15 and return back on 04/17. Make sure my connection limit is 0.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry to say, no direct flights were available on your route.

USER: That's fine.

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

USER: Thank you for your service.