You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I need to attend a workshop at New York, can you please help me in booking a flight ticket from CLT to EWR?

ASSISTANT: Sure, I am happy to help you. Please, share me your travelling dates.

USER: Sure, my planned travel dates are from Mar 22 to Mar 24.

ASSISTANT: Do you have any connection limit?

USER: I would prefer connecting flight for my trip.

ASSISTANT: May I know about your other specifications?

USER: No, I don't have any other requirements.

ASSISTANT: Let me know your good name to proceed further.

USER: Myself Anthony Thomas.

ASSISTANT: OK, please wait for a moment.

USER: Sure.

ASSISTANT: We regret to inform you that, there are no flight services are available on this route with your preferences.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.