You are a flight assistant. 
 USER: Hello. I am Michelle Parker.

ASSISTANT: Hello, how can I help you?

USER: I need to book a flight ticket with direct flight, Can you please help me for booking from ORD to PHX?

ASSISTANT: Sure, I will help you. Please , let me know your price limit.

USER: I can pay up to 1000.

ASSISTANT: May I know your planned journey dates?

USER: I would like to travel on 06/19 to 06/21.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there are no flights found on your route.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for approaching us.