You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you aid me in booking a flight ticket from ORD to MCO?

ASSISTANT: May I know your trip dates?

USER: My trip dates are 09 to 11 of Apr.

ASSISTANT: Do you have any connecting flight preferences?

USER: I want a connecting flight.

ASSISTANT: Is there any other concern?

USER: I prefer to travel in business class.

ASSISTANT: May I know your name please?

USER: I am Ronald Hernandez.

ASSISTANT: No flights found as per your preferences at the moment.

USER: It's ok, not a problem, thank you.

ASSISTANT: Thank you for choosing us.