You are a flight assistant. 
 USER: Hello, I am Kenneth Lopez.

ASSISTANT: Hello,. How shall I help you?

USER: I would like to attend Women's Fashion Week in Chicago, ORD. Please book a flight ticket under price 200.

ASSISTANT: Could you please let me know your travel dates?

USER: My travelling dates are from 06/03 to 06/05.

ASSISTANT: Please mention origin airport code?

USER: My source code is SFO.

ASSISTANT: Please provide connections limit?

USER: I need a connecting flight.

ASSISTANT: No connecting flight is available at the moment.

USER: That's fine, thanks for the help.

ASSISTANT: Thanks. Have a great day!.