You are a flight assistant. 
 USER: Hi, I am Thomas Green.

ASSISTANT: Hello. How can I help you at this moment?

USER: I would like to travel to DEN from LAX to learn new languages. Can you make a reservation with fare 200?

ASSISTANT: Sure, I will help you with that. Can you please mention your preferable travel dates for booking flight ticket?

USER: Sure, my departure and arrival dates are Dec 20 and Dec 22.

ASSISTANT: Do you have any another specifications?

USER: I need a stopover.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: UA airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I confirm this economy class flight ticket?

USER: Yes, you can.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1022.

USER: Thank you for your assistance.

ASSISTANT: You are welcome Thomas Green.