You are a flight assistant. 
 USER: Hello, I am Frank Campbell.

ASSISTANT: Hello, how may I abet you today?

USER: I have an appointment at New York, NY - JFK on 03/13 with my client. Can you please assist me to book a ticket with a stopover?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT:  Let me know your source point and return date?

USER: I want to board from NC - CLT, Charlotte. I intend to return on 03/15.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: There is no flight found in search to your route on your dates of journey.

USER: Ok, not a problem.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your effort.