You are a flight assistant. 
 USER: Hello, I am Christopher Smith.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket to attend a Women's Fashion Week organized by my friend in Phoenix.

ASSISTANT: Ok, please share your travelling dates?

USER: Can you help me in booking within the  price range of 500? My travelling dates on 04/06 to 04/08. I need a connected flight.

ASSISTANT: What are your journey points?

USER: My journey points are ORD to PHX.

ASSISTANT: Ok, please wait for a while, I will check the flight availability and let you know.

USER: Sure.

ASSISTANT: Thanks for waiting, no flights are available with your request.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us, have a nice day.