You are a flight assistant. 
 USER: Hello, Benjamin White here.

ASSISTANT: Hello, how may I be of your address?

USER: We are planning to go Las Vegas, NV - LAS to participate in the event of fashion designer with my colleagues from Los Angeles. Can you help me in reserving my flight ticket?

ASSISTANT: May I know your boarding point?

USER: I want to board from CA - LAX.

ASSISTANT: Could you please let me know your journey dates?

USER: I want to leave on 12/17 and return on 12/19.

ASSISTANT: Do you have any connection limit?

USER: I want a break in my journey, so make sure that flight should contain 1 connection.

ASSISTANT: Ok, give me some time.

USER: Sure.

ASSISTANT: Thanks for waiting, We found a matching airline for you.

USER: May I know the flight details?

ASSISTANT: The flight details are airline-AA with one connection and the price 200. Shall I proceed?

USER: It is perfect, you can proceed.

ASSISTANT: Your ticket is booked with the flight number-1004.

USER: Thanks for being my helping hand.

ASSISTANT: Thanks for choosing us.