You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation due to some health issues. Can you please help me with the cancellation?

ASSISTANT: Sure, I am here to help you with that, may I know your name to proceed further?

USER: Sure, my name is Robert Wright.

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

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for reaching us.