You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me to book a flight from ATL to MSP?

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

USER: Sure, I want to travel on Mar 16 and need to return on Mar 18.

ASSISTANT: Do you have any limits on number of connections on your journey?

USER: I am looking for a flight with single connection.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I prefer an business class to travel.

ASSISTANT: There is a direct flight-1001 available in Spirit Airlines with a fare of 100. Shall I proceed with booking?

USER: Ok, please proceed.

ASSISTANT: Sorry to say that, there is no flight with business class ticket.

USER: Ok, not an issue.

ASSISTANT: May I know your name please?

USER: Thank you for checking. My name is Joseph White.

ASSISTANT: Thank you for reaching us, have a great day.