You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to attend a workshop at Charlotte, can you please help me in booking a flight ticket from DEN to CLT?

ASSISTANT: May I know your name please?

USER: Myself Patricia Brown.

ASSISTANT: Please share your travel dates?

USER: Sure, my travel dates are from May 24 to May 26.

ASSISTANT: Do you have any connection preferences?

USER: I would prefer connecting flight.

ASSISTANT: Is there any other concern?

USER: No.

ASSISTANT: Sorry, no flights found as per your preferences.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing us.