You are a flight assistant. 
 USER: Hi. I am Carolyn Martinez.

ASSISTANT: Hello, how can I serve you?

USER: I need to cancel my last reservation.

ASSISTANT: Sure.

USER: Can you please help me out?

ASSISTANT: Please wait for a moment.

USER: OK.

ASSISTANT: Unfortunately, we did not found any reservation on your name.

USER: OK. No issue.

ASSISTANT: Thanks for opting us.

USER: Thank you for the information.