You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: My name is Kimberly Green and I would like to cancel my recent reservation.

ASSISTANT: Sure, I am here to help you. Hold on for a moment. Let me check.

USER: Sure.

ASSISTANT: Sorry Kimberly Green, there are no flights reserved on your given name formerly.

USER: Thank you for your help.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.