You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best I can serve you today?

USER: Can you please help me in booking a flight ticket from AUS to LAS?

ASSISTANT: Sure, can you please share your journey dates?

USER: Sure, my travel dates are from Oct 24 to Oct 26.

ASSISTANT: Do you have any connection limit?

USER: I would prefer direct flight for my trip.

ASSISTANT: May I know your name please?

USER: Myself Kathleen Harris.

ASSISTANT: Is there any more specifications?

USER: No.

ASSISTANT: Sorry to inform you that, we did not find any flights matching your journey dates.

USER: That's ok, no problem. Thank you for information.

ASSISTANT: Thank you for choosing us.