You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need to reserve my flight ticket from LAX to CLT, can you please help me?

ASSISTANT: Sure, can I know your travel dates?

USER: Sure, my travelling dates are from Dec, 02 to Dec, 04.

ASSISTANT: May I know your connection limit?

USER: Sure, flight has to be with a single connection with business class preference.

ASSISTANT: May I know your good name?

USER: Sure, my name is Donna Anderson here.

ASSISTANT: Do you prefer any other requirements?

USER: Yes, I need a return time at evening.

ASSISTANT: We found a connecting flight 1028 in American Airlines with cost 800. Can I proceed for booking?

USER: Please proceed for booking.

ASSISTANT: Your booking is done in business class.

USER: Thank you for your service.

ASSISTANT: Thank you for supporting us.