You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I would like to visit Atlanta, please help me to book my flight ticket from CLT to ATL.

ASSISTANT: Sure, can you please mention your departure and arrival dates of your journey?

USER: Thank you. I have to depart on Mar 12th and return back on Mar 14th.

ASSISTANT: Do you need any break in between your journey?

USER: Yes, I need a flight with single connection.

ASSISTANT: Is there any other specifications regarding your journey?

USER: Yes, I prefer for a business class.

ASSISTANT:  If you can help me with your name, I can check with the availability of flights.

USER: My name is Alexander King.

ASSISTANT: Thank you for the information, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

USER: No problem. Anyway, thank you for checking.

ASSISTANT: Thank you for choosing us.