You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Yes, I will definitely try my best to help you in booking your flight ticket. Could you please provide your planned dates of journey?

USER: I want to fly on May 21, return on May 23.

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

USER: I need a connecting flight.

ASSISTANT: Is there any other preferences that you would like to add before booking?

USER: My depart time should be evening.

ASSISTANT: May I know your name please?

USER: My name is Brandon Parker.

ASSISTANT: Thank you for providing your journey details, please wait a moment I'll search best flight for you.

USER: Sure.

ASSISTANT: Thank you for your time, sorry no flights found with your details.

USER: No problem, thank you.

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