You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Raymond Parker. I am planning to book a ticket from JFK to EWR. Can you please help me out?

ASSISTANT: Yes, can you share me your travelling dates?

USER: I am planning to travel on Dec 28 and return back on Dec 30.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your departure and return time?

USER: My return time is evening.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for reaching us.