You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Gregory Jackson, I want to cancel my reservation as my plan to attend meeting at New York is cancelled. Can you please cancel my reservation?

ASSISTANT: I am happy to help you, please be on hold I will check your reservation.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found with your name to cancel it.

USER: Ok, thank you for the information.

ASSISTANT: Thanks for approaching us.