You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you aid me in booking a flight ticket from DEN To AUS?

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: I am planning to start on 23rd Aug and return back on 25th Aug.

ASSISTANT: May I know your name please?

USER: I am Jerry Jones. Are we connected? Please make it quickly.

ASSISTANT: Do you have any other requirements please?

USER: Make sure that it is a direct flight.

ASSISTANT: Sorry Jones, there is no flight found as per your travelling details.

USER: No issues. Thank you for checking.