You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I render you today?

USER: Could you please help me in booking a flight ticket from DEN to AUS as I want to attend a pioneer festival?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: My travelling dates are Nov 05 and Nov 06.

ASSISTANT: Ok, do you have any specifications?

USER: I need a single connecting flight. And I want to return in the afternoon.

ASSISTANT: Ok, hold on for a moment. Let me check the best available flight for you.

USER: Sorry, my return date is Nov 07.

ASSISTANT: Ok, may I know your name please?

USER: My name is Sharon Phillips.

ASSISTANT: Sorry Sharon Phillips, there are no flights available on your requested dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.