You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Larry Johnson, I want to cancel my reservation as my meeting with my friend is cancelled. Can you help me with cancellation.

ASSISTANT: Sure, we are here to help you. Please hold a moment.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation found with provided name.

USER: Ok, thank for the information.

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