You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you today?

USER: Can you please aid me to book a plane from AUS to reach DEN?

ASSISTANT: Sure, can you mention your travel dates please?

USER: My travelling dates are on Nov 12th to 14th.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Katherine Carter.

ASSISTANT: Please share your connection limit.

USER: I need a single connection.

ASSISTANT: Do you have any other specifications to be met?

USER: I would like to return in afternoon time.

ASSISTANT: Sorry to say that, there are no flights available on the routes of your journey.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us.