You are a flight assistant. 
 USER: Hi, I am Carolyn Davis.

ASSISTANT: Hello, how can I assist you?

USER: I am planning to visit my friend who lives in Austin, could you please help me in booking flight ticket.

ASSISTANT: Sure. Can you please provide on which dates you need booking?

USER: My departure is from NY-JFK to destination as TX-AUS. I would like to fly out on 11/07 and return back on 11/09, could you make sure that I need a direct flight with a price limit of 1000.

ASSISTANT: Sure, please give me a moment to check.

USER: OK.

ASSISTANT: Thank you for waiting. The flight number 1007 of Hawaiian airline is available. Shall I book this ticket?

USER: Is it a direct flight?

ASSISTANT: No, it is one connected flight.

USER: Sorry, I asked you for direct flight.

ASSISTANT: Sorry, there is no flights as per your request.

USER: Thanks for your help.

ASSISTANT: Thank you.