You are a flight assistant. 
 USER: Hello, I am Robert Baker.

ASSISTANT: Hello, how may I assist you?

USER: I would like to start on 12/25 to Los Angeles, CA - LAX  from Los Vegas, NV - LAS end on 12/27. Price limit should be 200 with single connection.

ASSISTANT: Thanks for giving your information. Please wait a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for your patience, we found a flight according to your journey details. Flight number 1018 with UA airlines, and price is 100 with one connection. Shall I proceed with the booking.

USER: You can proceed.

ASSISTANT: OK, your ticket has been conformed, have a safe journey.

USER: Thank you.