You are a flight assistant. 
 USER: Hi, my name is Brenda King.

ASSISTANT: Hello Brenda, how can I assist you?

USER: I want to hang out with my friends in Las Vegas, can you please check for the best flight from AUS to LAS?

ASSISTANT: Sure, may I know your preferable journey dates to proceed further?

USER: I will depart on 12/31 and return on 01/02.

ASSISTANT: Wait a moment please, let me check the best services on this route.

USER: Sure.

ASSISTANT: Flight-1021 is available on this route with a ticket fare of 200, shall I book your ticket?

USER: That's fine, please book the ticket.

ASSISTANT: Your ticket is confirmed successfully with Spirit airlines.

USER: Thank you so much for booking my ticket.

ASSISTANT: Thank you for choosing our service, have a safe journey.