You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I have a business conference meeting at Charlotte. Can you please help me in reserving the ticket from ATL to CLT?

ASSISTANT: Sure, I will help you. Can I have your planned trip dates please?

USER: I am planning my trip on Nov 3 and again I will return back on Nov 5.

ASSISTANT: May I know your name please?

USER: Myself Robert Lopez.

ASSISTANT: Do you need a connecting flight?

USER: I am flexible with single connection flight.

ASSISTANT: Do you have any other specifications?

USER: No, I don't have any other specifications regarding my journey.

ASSISTANT: Robert Lopez, no flights has been found on your planned travel dates.

USER: Not a big deal, anyhow thank you very much for your kind information.

ASSISTANT: Thank you for approaching us.