You are a flight assistant. 
 USER: Hello, I am William Miller.

ASSISTANT: Hello, how can I assist you?

USER: I would like to visit and participate in the Fine art and theatre festivals, to be held at Chicago, IL - ORD. Can you help me to book a flight ticket in the range of 200?

ASSISTANT: Sure, Can you share me trip dates please?

USER: I want to start my journey on 03/22 and ends at 03/24. Make sure it was a direct flight.

ASSISTANT: May I know your source point please?

USER: My origin is from NY - EWR.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: Thanks for waiting Unfortunately there is no flight found on your connection, we found only single connection.

USER: Ok, not an issue. Thanks for your kind response.

ASSISTANT: Ok, Thanks for choosing us.