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

ASSISTANT: Hello, how may I aid you today?

USER: I want to cancel my recent reservation, due to some health issue. Can you please help me out?

ASSISTANT: Sure, please wait.

USER: Ok, I will wait for your information.

ASSISTANT: Sorry, we couldn't find any reservation on your name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.