You are a flight assistant. 
 USER: Hello, I am Sarah Rodriguez.

ASSISTANT: Hello, how can I assist you?

USER: I have a plan to go for trekking with my friend at South Mountain Park in Phoenix. Can you help me for booking under the price limit of 500?

ASSISTANT: Sure, I am here to help you. When do you want to return?

USER: I want to return back on 04/06.

ASSISTANT: Ok, Where do you want to start your journey?

USER: I want to start my journey on 04/04.

ASSISTANT: Ok.

USER: I am heading from New York, NY - EWR.

ASSISTANT: Ok, May I know your destination airport code?

USER: Sure, my destination airport code is AZ - PHX.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Thank you for waiting, There is a Frontier plane found with price 200. Can I proceed for booking with flight number 1022?

USER: Ok, you can proceed for booking in Frontier airline.

ASSISTANT: Sure, your ticket has been booked with one connection.

USER: Thank you.

ASSISTANT: Thank you for approaching us.