You are a flight assistant. 
 USER: Hello, My name is Stephen White.

ASSISTANT: Hello, how can I provide assistance to you?

USER: As I am a singer I want to attend for song recording at Las Vegas, LAS. So can you please book a ticket for me with price below 500?

ASSISTANT: Sure, I am here to help you. May I know your source point?

USER: New York, EWR is my source airport point.

ASSISTANT: Please share me your trip dates?

USER: 12/17 is my return date and 12/15 is my departure date.

ASSISTANT: Please share me your connection limit?

USER: I need a flag stop in between journey.

ASSISTANT: Please stand by.

USER: Sure.

ASSISTANT: There is a connecting flight with price of 200 and 1005 flight number. Shall I proceed?

USER: Ok, you can proceed for booking.

ASSISTANT: Your booking has been reserved with UA airline.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.