You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to attend a Marriage in Las Vegas. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, let me know your trip dates please?

USER: My travelling dates are Mar 05 and Mar 07.

ASSISTANT: Could you please share me your source airport code?

USER: My airport codes are AUS and LAS.

ASSISTANT: Do you have any airline preference?

USER: I would prefer normal cost airline.

ASSISTANT: May I know your connection limit?

USER: I need single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Ok, can I know your name please to proceed further?

USER: I am Amanda Clark.

ASSISTANT: Sorry to inform you that there are no flight services available on your given dates.

USER: Anyway, thanks for the information.

ASSISTANT: Thanks for contacting us.