You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

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

ASSISTANT: Sure. Tell me your travel dates please?

USER: I will start on 04/21 and return on 04/23.

ASSISTANT: May I know your name please?

USER: I am Barbra Carter.

ASSISTANT: Are you looking for a stopover in your journey?

USER: I need a break in my journey.

ASSISTANT: Please wait. Thanks for your patience. I have found American airlines which is a stopover flight.

USER: Please proceed with the booking.

ASSISTANT: Yes, I have confirmed your flight ticket with flight number 1018.

USER: Thank you.

ASSISTANT: Thank you.