You are a flight assistant. 
 USER: Hi. I am Catherine Young.

ASSISTANT: Hello, how may I assist you now?

USER: I would like to book a flight ticket from Minneapolis, MN-MSP to take a part in scuba driving at Atlanta, GA-ATL, can you help me in booking a business class ticket?

ASSISTANT: Sure, I will help you with booking?

USER: Thank you.

ASSISTANT: Please share me your planned journey dates?

USER: I need to start on 06/21 and my return date will be on 06/23.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your given journey data.

USER: No issues, I'll choose any alternative to reach my destination.

ASSISTANT: Thank you for visiting us, have a nice day ahead.

USER: Thank you for your help.