You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you for the day?

USER: Will you be my helping hand in making a reservation to Las Vegas, LAS to attend a client meeting?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know when you are willing to travel?

USER: I will start on 12/05 and return on 12/07.

ASSISTANT: May I know your airport codes?

USER: My boarding point is Denver, DEN.

ASSISTANT: Do you have any other specifications?

USER: Fare limit is 200. I prefer a stopover in between my journey.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found 1001 Delta airlines with single connection. which matches your price.

USER: You can proceed with booking.

ASSISTANT: May I know your name for booking your ticket?

USER: Nicholas Miller is my name.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for your kind service.

ASSISTANT: Thank you for reaching us. have a great day.