You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How shall I help you?

USER: I am Joshua Brown. I want to participate in world wide scatting champion ship at New-York, help me in booking my flight ticket from Chicago IL-ORD.

ASSISTANT: Please provide your travelling dates?

USER: My new travelling dates will be 02/08 to 02/10.

ASSISTANT: Please mention destination airport code?

USER: My landing airport is at NY-EWR.

ASSISTANT: Please provide connections limit?

USER: I need a halt in between the journey to do shopping.

ASSISTANT: No flights found.

USER: Its ok, thank you.