You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I render you today?

USER: I heard there is a good tourist attractions in Las Vegas. So book a ticket from MI - DTW to NV - LAS.

ASSISTANT:  Do you prefer any halt in between your journey?

USER: Yes, I need a whistle stop in between my journey.

ASSISTANT: May I know when you have planned to travel?

USER: My preferable travel dates are 11/25 and 11/27.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: I am Raymond Allen.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found Southwest airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: You can proceed with booking?

ASSISTANT: Your ticket has been confirmed with airline number 1023.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.