You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: Please help me to book a business class ticket from San Francisco to attend a client meeting in Minneapolis.

ASSISTANT: Sure, may I know your travel dates?

USER: I intend to start on Sept 12th and my return date will be on sept 14th.

ASSISTANT: Can you share your specific airport codes please?

USER: My source airport code is SFO and my destination airport code is MSP.

ASSISTANT: Do you have any connection limit?

USER: I prefer to fly with the connecting flight for this time.

ASSISTANT: May I know your good name please?

USER: I am Benjamin Collins.

ASSISTANT: Is there any other preferences?

USER: No more specifications.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in an economy class with 1 connection in JetBlue airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: That's fine, you can proceed with the booking.

ASSISTANT: Your booking is done with flight number 1023.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for choosing us.