You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please book a ticket from JFK to AUS? As I need to attend a wedding.

ASSISTANT: Sure, I am here to help you with that. May I know your travelling dates, please?

USER: Sure, my planned departure and return travel dates are 22nd and 24th of Jan.

ASSISTANT: Do you have any class preference?

USER: I'm ok with any class.

ASSISTANT: Would you like to travel in a direct flight or connecting flight?

USER: I prefer to travel in direct flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry to say that, there are no flights found on this route as per your travel dates.

USER: That's ok, thank you.

ASSISTANT: May I know your name please?

USER: My name is Nicole Johnson.

ASSISTANT: Thank you for reaching us, have a great day.