You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am looking for a flight from AUS to EWR, can you help me in booking?

ASSISTANT: Sure, let me know your planned dates.

USER: My planned travel dates are Nov 14 and Nov 16.

ASSISTANT: Ok, please specify your name.

USER: Myself William Moore.

ASSISTANT: Do you prefer a connecting flight or a direct flight?

USER: Please look for a connecting flight as I need a break in between the journey.

ASSISTANT: Is there any other essentials to meet?

USER: I prefer for a business class.

ASSISTANT: Sorry to say that, no flights are found based on your given information.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.