You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me booking a flight ticket from AUS to DEN?

ASSISTANT: Sure, we are glad to help you. Please help me with your trip dates.

USER: I will start on 11/09 and return on 11/11.

ASSISTANT: Do you prefer any stopover in between journey?

USER: I need a break in my journey.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: I am Gary Wright.

ASSISTANT: Thanks for providing details, no flights are available on your journey routes.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.