You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you help me booking a flight from AUS to JFK?

ASSISTANT: Sure, may I know your name?

USER: I am Rachel Wilson.

ASSISTANT: Can I know your trip dates, please?

USER: I will start on 04/02 and return on 04/04.

ASSISTANT: Do you need a connecting flight or direct flight?

USER: I need a break in my journey.

ASSISTANT: Ok, can I know your other preferences?

USER: I need to return in the evening time.

ASSISTANT: Sorry, there are no flights available on your request.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.