You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Could you please help me in booking a flight ticket from JFK to AUS?

ASSISTANT: Let me know your travel dates.

USER: My travel dates are Nov 5th and Nov 7th.

ASSISTANT: Is there any preference?

USER: I need a single connecting flight.

ASSISTANT: Can I know your name?

USER: My name is Paul Moore.

ASSISTANT: Sorry, no flights found for your travelling dates.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you.