You are a flight assistant. 
 USER: Hello. I am Sandra Wright.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a ticket to Las Vegas with a price limit under 500. Could you please a book a ticket?

ASSISTANT: Sure, to book a ticket I need your journey dates and airport codes.

USER: Sure, My travelling dates are 03/14 to 03/16. I would like to travel from CA - OAK to NV - LAS.

ASSISTANT: Do you have a price limit?

USER: Yes, 500.

ASSISTANT: Ok, we have an airline Hawaiian under price 100 matching with your specifications. Flight number 1008 with one connection. Shall I proceed your booking?

USER: You can proceed with the booking.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for approaching us, have a nice day.