You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to go my brother's home in New York, NY-JFK. Can you please help me out?

ASSISTANT: Sure, can I know the travel dates please?

USER: The travel dates are 06/05 to 06/07.

ASSISTANT: Can you provide the source airport code please?

USER: The source code is from NY-JFK and the destination is IL-ORD.

ASSISTANT: May I know your name please?

USER: Sure, my name is Patrick Williams.

ASSISTANT: Sorry, there are no flights found on your requested dates.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your information.