You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I intend to visit Las Vegas, NV - LAS. Could you please help me to book a flight ticket?

ASSISTANT: Sure, can you please provide your travel details?

USER: My Origin point is Detroit, MI - DTW. My Departure is on 11/22 and Return is on 11/24.

ASSISTANT: OK, may I know your name?

USER: Sure, My name is Angela Harris.

ASSISTANT: OK, please wait a moment.

USER: OK.

ASSISTANT: Thanks for your time, we found a flight with your requirement. Your airline is SouthWest, flight number 1004 with price 200. Shall, I proceed with booking?

USER: OK, please proceed with this booking.

ASSISTANT: Your booking is confirmed. Thanks for choosing us, have a good day.

USER: Thank you.