You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you help me in booking a flight ticket from CLT to DEN?

ASSISTANT: Sure, when are you willing to travel?

USER: I want to travel on 01/12, and return on 01/14.

ASSISTANT: Ok, may I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Would you like to have a break in your journey?

USER: Yes, I need a break.

ASSISTANT: Any other preferences you have?

USER: No.

ASSISTANT: Can you please share your name to proceed further?

USER: I am Daniel Carter.

ASSISTANT: Delta Airlines has a connecting flight with number 1009 for fare 100, shall I proceed?

USER: Proceed with the booking.

ASSISTANT: Your booking is confirmed in economy class.

USER: Thanks for the assistance.

ASSISTANT: Thank you for opting us.