You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am looking for a flight from DEN to AUS, can you please help me in booking?

ASSISTANT: Sure, may I know the planned travel dates?

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

ASSISTANT: May I know the connection limit?

USER: I prefer direct flight.

ASSISTANT: Please provide me the name.

USER: My name is Paul Scott.

ASSISTANT: Sorry, there are no flights are available for your desired intent.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.