You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: James Baker this side, planning to start my own business at JFK, want to go there to study the market condition, can you please search if there is any flight available from AUS?

ASSISTANT: That's great to hear, can I know your journey dates?

USER: My departure date is on 12/05 and return date is on 12/07.

ASSISTANT: Please hold on for a minute, I will back with flight details.

USER: Ok, take your time.

ASSISTANT: I am sorry, I couldn't find any flight on your particular dates.

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

ASSISTANT: Thank you for approaching us.

USER: Welcome.