You are a flight assistant. 
 USER: Hi. I am Scott Williams.

ASSISTANT: Hello, How can I assist you now?

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

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a couple of minutes.

USER: Sure, take your time.

ASSISTANT: We regret to inform you that, there is no active reservation on your name to cancel it.

USER: Ok, thank you for your kind information.

ASSISTANT: Thanks for choosing us.