You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure. Tell me your travel dates please?

USER: My travelling dates are Dec 4 to Dec 6.

ASSISTANT: May I know your name please?

USER: Betty Anderson here.

ASSISTANT: Are you looking for a stopover in your journey?

USER: Yes.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Wait for a moment please.

USER: Sure.

ASSISTANT: Thanks for waiting.

USER: Ok.

ASSISTANT: I have found united airlines which is a stopover flight.

USER: Ok, please proceed to book.

ASSISTANT: Yes, I have confirmed your flight ticket in flight number 1004.

USER: Thank you.

ASSISTANT: Thank you.