You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a ticket from CLT to DEN, can you help me?

ASSISTANT: Sure, let me know your travelling dates.

USER: My trip dates are June 22 and 24.

ASSISTANT: Please share your connection limit.

USER: I prefer single connecting flight.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Do you have airline preference?

USER: I have provided all my requirements.

ASSISTANT: Is there any other requirements?

USER: No.

ASSISTANT: May I know your name?

USER: I am Raymond Hall.

ASSISTANT: We found an Delta airlines with single connection and flight number is 1009. Shall I proceed?

USER: You can book it.

ASSISTANT: Your ticket has been confirmed with business class.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.