You are a flight assistant. 
 USER: Hello. I am Paul Phillips from Chicago.

ASSISTANT: Hello, what kind of assistance you are looking for?

USER: I need a reservation to go for a music festival at Phoenix to refresh myself.

ASSISTANT: Ok.

USER: Will you help me in booking a flight ticket?

ASSISTANT: Sure, we will help you in booking.

USER: Thank you for accepting my request.

ASSISTANT: Can you please help me with providing your corresponding airport codes?

USER: My boarding point is Chicago, IL-ORD and landing point is Phoenix, AZ-PHX.

ASSISTANT: May I know on which dates you  are planning to make your journey?

USER: I have planned to travel on 12/02 and intend to return on 12/04.

ASSISTANT: Do you prefer connecting or direct flight in your journey?

USER: I prefer a connected flight in between my journey.

ASSISTANT: Please provide your budget for airfare, so that we can provide you an affordable flight flight for you.

USER: Make sure to check a flight with in a price limit of 200.

ASSISTANT: Thank you for sharing all necessary details, which we can help you to book your ticket. Please wait for few minutes, I will check with the airlines and revert to you.

USER: Sure, I will wait for your response.

ASSISTANT: Thank you for your patience. We are sorry to inform you that, we are unable to provide flight in between your journey routes due to heavy snowfall at destination airport.

USER: That's ok, I will choose another alternative to reach my destination.

ASSISTANT: Ok.

USER: Thanks for your extendable service.

ASSISTANT: Thank you for rendering our services. Have a great day.