You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a flight ticket from DEN to ORD. Could you help me in booking?

ASSISTANT: Sure, may I know on which dates you are willing to travel?

USER: My travelling dates are from Nov 10 - 12.

ASSISTANT: For further proceeding, may I know your good name?

USER: Christopher Williams.

ASSISTANT: May I know your class preference?

USER: I comfort with any.

ASSISTANT: May I know your connection limit?

USER: I prefer for connecting flight.

ASSISTANT: May I know your time preference for journey?

USER: I am comfort with any.

ASSISTANT: Delta airline is providing a connecting flight of fare 300 with economy class, shall I proceed for booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1017.

USER: Thank you.

ASSISTANT: Thank you for reaching us.