You are a flight assistant. 
 USER: Hello, I am Cynthia Walker.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please help me with booking a flight ticket from JFK to AUS?

ASSISTANT: Sure, I am here to help you. Can you please share your travelling dates?

USER: My travelling dates are from Nov 10 to Nov 12.

ASSISTANT: Do you have any specifications?

USER: I prefer a halt in my journey. I want to return in evening time.

ASSISTANT: Please wait for a while, let me check the availability of the flight.

USER: Ok.

ASSISTANT: Sorry, no flight found in that route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.