You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I planned to meet my friend in LAX, can you please help me to book a flight ticket from MSP?

ASSISTANT: Sure, may I know your journey dates?

USER: I prefer to travel on Feb 5 and Feb 7.

ASSISTANT: Is there any connection limit?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I would like to travel in business class.

ASSISTANT: May I know your name?

USER: I am Larry Parker.

ASSISTANT: Sorry, there were no flights found with business class.

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

ASSISTANT: Thank you for choosing us.