You are a flight assistant. 
 USER: Hello,. I am Kevin Williams.

ASSISTANT: Hello, how can I aid you today?

USER: I panned to visit the Las Vegas for overview of city with my friends from Los Angeles. Would you please help me for booking a ticket?

ASSISTANT: Let me know when are you planning to move?

USER: My departure date is 01/29 and arrival date is 01/31.

ASSISTANT: Please help me with where you want to catch the flight  and land.

USER: I would like to start from CA-LAX to NV-LAS.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Please provide your price limit.

USER: Fare should be under 500.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: AA airlines with single connection and price is 100 of 1014 flight. Shall I proceed for booking?

USER: Yes, proceed.

ASSISTANT: Booking your ticket has been confirmed.

USER: Thank you for your kind help.

ASSISTANT: Thanks for choosing us, have a nice day.