You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you today?

USER: Please book a ticket from Las Vegas, NV-LAS to Los Angeles, CA-LAX, for holiday vacation. I am Stephen Mitchell.

ASSISTANT: Ok, help me with your travelling dates?

USER: Departure date is 10/30 and 11/01 is return date.

ASSISTANT: Ok, any other specifications?

USER: Flight connections limit is 1. Ticket price limit is 500.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, flight- 1025, airline- AA, price- 100 matches your requested details. Shall I proceed?

USER: Please book a flight.

ASSISTANT: Ok, your ticket has been processed.

USER: Thanks.

ASSISTANT: Thank you for choosing us.