You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to visit Minneapolis, please help me in booking a ticket from CLT to MSP.

ASSISTANT: May I know your trip dates?

USER: My planned trip dates are on July 30 and Aug 1.

ASSISTANT: Is there any connection limit?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I prefer business class for my trip.

ASSISTANT: May I know your good name?

USER: My name is Nicholas Nelson.

ASSISTANT: There were no flights found on your given name.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.