You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Timothy Moore.

ASSISTANT: How can I be of your assistance?

USER: I am looking for a flight from ORD to DEN, can you help me in booking?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: Sure, my planned travel dates are 06/13 and 06/15.

ASSISTANT: Do you need any break?

USER: I am looking for a connecting flight in a Business class.

ASSISTANT: Ok. We found a economy class flight ticket at this moment. Is this okay for you?

USER: No, please don't proceed in booking I am looking for a Business class.

ASSISTANT: Ok.

USER: Thank you for the information.

ASSISTANT: Thank you for choosing us.