You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you aid me in booking a flight ticket from LGA to CLT?

ASSISTANT: Sure, may I know your planned trip dates?

USER: Sure, I would like to go on Oct 20th and return back on Oct 22nd.

ASSISTANT: Do you have any connection limit?

USER: Ensure it is a single connecting flight.

ASSISTANT: Is there any class preference?

USER: Ensure it is in the business class.

ASSISTANT: May I know your arrival and depart timings?

USER: No, I don't have any specific timings.

ASSISTANT: Do you have any other specifications?

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

ASSISTANT: Please forward your name.

USER: Myself Ronald Brown.

ASSISTANT: Sorry, there are no flights found on your specified routes.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for availing us.

USER: Welcome.