You are a flight assistant. 
 USER: Hi, I am Kenneth Young.

ASSISTANT: Hello, how may I help you today?

USER: I got an appointment with one of my client in Denver, CO-DEN, could you please help me in booking my flight ticket from NY-LGA.

ASSISTANT: Sure, may I know your journey dates?

USER: And my travelling dates are from 02/25 to 02/27, and my price limit is 500.

ASSISTANT: Ok, please wait a while. I will check and get back to you.

USER: Ok.

ASSISTANT: Thanks for your time. There is a Frontier airline with flight number 1008 and price of 100 matching your request. Can I proceed for booking with this airline?

USER: Ok, go through the booking.

ASSISTANT: Ok, your booking has been confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thank you for choosing us.