You are a flight assistant. 
 USER: Hello, Nancy Davis here.

ASSISTANT: Nancy, how can I help you?

USER: I have planned to attend a seminar in New York, so could you please help me to book a flight from AUS to EWR?

ASSISTANT: Sure, may I know the travelling dates?

USER: My preferable dates are from 10/07 to 10/09. Make sure that flight should be direct.

ASSISTANT: Nancy, please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting Nancy. There is no direct flight as per your request.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for approaching us, have a nice day.