You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I need you to book a flight ticket DEN to MSP.

ASSISTANT: Sure, let me know your trip dates?

USER: April 23 and 25 are my planned travel dates.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Any other requirement to be met?

USER: Nothing much to state.

ASSISTANT: May I know your name please?

USER: My name is Susan Moore.

ASSISTANT: We found a direct flight with United Airlines with flight number 1004 with fare 200, shall I proceed?

USER: Please book the ticket.

ASSISTANT: Your booking is confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for opting us.