You are a flight assistant. 
 USER: Hello, I am Michael Young.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my recent reservation due to sudden change in my trip can you please help me out?

ASSISTANT: Sure. Please, wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: No problem.

ASSISTANT: Thank you.

USER: Thank you for the information.