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

ASSISTANT: Hello Adams, how may I help you today?

USER: I want to cancel my reservation, please help me.

ASSISTANT: Sure, please wait for a while.

USER: Ok.

ASSISTANT: Sorry Adams, there is no reservation found with your name in our records.

USER: It's fine. Anyway, thank you for your help.

ASSISTANT: You are welcome.