You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My name is Mary Parker, I want to cancel my reservation as my plan to meet my friend at New York is cancelled. Can you cancel my reservation?

ASSISTANT: Sure, I am here to help you. Please hold on, while I will check in the previous list and revert to you.

USER: Sure.

ASSISTANT: Thank you for being patient, there is no active reservation found on your name to cancel.

USER: Thank you for the information.

ASSISTANT: Thank you for approaching us, hope to serve you again.