You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Nicole Jackson. Could you please book a flight ticket from DEN to MSP?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are Feb 17 and Feb 19.

ASSISTANT: Do you have any particular time for departing and returning?

USER: I want to return in the afternoon.

ASSISTANT: May I know your connection limit please?

USER: I need a connecting flight in between my journey.

ASSISTANT: Wait a moment please.

USER: Please check the flights in business class.

ASSISTANT: Nicole Jackson, there are no flights available in you route.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.