You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: Michael Robinson here. I just want to cancel my recent reservation which I have done, due to bad health condition. Can you please help me with it?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Sorry to inform you that there is no active reservation found on your given name.

USER: Ok, not an issue. Thanks for the information.

ASSISTANT: Thanks for opting us.