You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me in booking my flight ticket from ORd to MSP?

ASSISTANT: Sure, let me know your travelling dates.

USER: My planned travel dates are Feb 27-29.

ASSISTANT: Can you please share your connection limit.

USER: I need a  connecting flight.

ASSISTANT: Please share your class preference.

USER: I want to fly in business class.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: I am Betty Lewis.

ASSISTANT: Sorry, there are no flights found based on your details.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for choosing us.