You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I have planned to book a plane ticket from DEN to CLT, can you assist me?

ASSISTANT: Sure, can I know your good name please?

USER: Jacob Garcia.

ASSISTANT:  When you are willing to travel?

USER: My preferred dates are Dec 25th and Dec 27th.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need single connection between my trip.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: No.

ASSISTANT: We found a connecting flight 1024 in Spirit airlines at the price of 600 with business class. Can I book this ticket?

USER: Proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for booking.

ASSISTANT: Thank you for availing us.