You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you today?

USER: I need you to help me in booking a flight ticket.

ASSISTANT: Sure, let me know your trip dates?

USER: My planned travel dates starts from Dec, 19 and ends on Dec, 21.

ASSISTANT: Please share your airport codes?

USER: JFK and EWR are the in and out airport codes.

ASSISTANT: Is there any class preference?

USER: I prefer to fly in a business class.

ASSISTANT: May I know your connection limit?

USER: I need a break in my journey.

ASSISTANT: Can I know your name?

USER: Yes, Larry Thompson here.

ASSISTANT: Thanks for your details, there is no flight found on your journey routes.

USER: That's ok. Thank you.

ASSISTANT: Thank you for availing us.