You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My name is Timothy Wilson, I already book a flight ticket to meet my parents at New York but due to some reason my plan is cancelled. Can you cancel my reservation?

ASSISTANT: Sure, we are here to help you. Please wait a moment, let me check your reservation and let you know.

USER: Sure, I will wait for your reply.

ASSISTANT: Thank you for your valuable time, unfortunately no reservation found on your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for opting us, have a great day ahead.