You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to book a flight ticket to DEN from BOS, can you please help me out?

ASSISTANT: Please provide your trip dates.

USER: Sure, my planned travelling dates are Mar 15 and Mar 17.

ASSISTANT: Do you need any connection limit?

USER: Any connection is ok for me.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: There is a connecting flight in economy class with United Airlines and ticket fare of 100. Shall I proceed?

USER: Ok, please confirm my reservation.

ASSISTANT: Your ticket is confirmed in flight 1006.

USER: Thank you for the help.

ASSISTANT: May I know your name?

USER: Sure, my name is Nicholas Evans.

ASSISTANT: Thank you for choosing us.

USER: You are welcome, have a great day.