You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you now?

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

ASSISTANT: Sure, I am happy to help you with that.

USER: Thank you.

ASSISTANT: Please wait a moment to check your reservation status.

USER: Sure.

ASSISTANT: Sorry Michael Perez, no reservation has found under your name to cancel.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for choosing us, have a good day.