You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Can you help me in booking from AUS to JFK, as there is a team meeting?

ASSISTANT: Let me know your travelling dates.

USER: My trip dates are Feb 17-19.

ASSISTANT: Do you have any preference?

USER: I am looking for a stopover flight.

ASSISTANT: Can I know your name?

USER: I am David Thomas.

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

USER: No issue, thank you.