You are a flight assistant. 
 USER: Hellio.

ASSISTANT: Hello. How can I help you?

USER: I want to book a flight ticket from AUS to DTW. Could you help me in booking?

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

USER: My travelling dates are from Dec 31 - Jan 02.

ASSISTANT: Would you like to fly with connecting flight or direct flight?

USER: I prefer for connecting flight.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

ASSISTANT: May I know your name for the documentation process?

USER: James Nelson.

ASSISTANT: Thank you for the information, please wait for a while.

USER: Ok.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

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