You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Sure, May I know your travelling dates, please?

USER: I want to fly on Aug 20 and return on Aug 22.

ASSISTANT: May I know your name please?

USER: Myself Jacob Jackson.

ASSISTANT: Do you have any other specifications?

USER: I need a direct airline.

ASSISTANT: There are no flights found on this route as per your travel dates.

USER: Not an issue. Thank you.

ASSISTANT: Most welcome, thank you for reaching us.