You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, By what way, can I help you out?

USER: I would like to cancel my recent reservation, due to some health issues. Can you please help me with that?

ASSISTANT: Sure, I can help you in that cancellation.

USER: Thank you.

ASSISTANT: Before that I need to know your good name to track the details?

USER: My name is Katherine Martinez.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Sorry to say that, there is no active reservation found on your name to cancel it.

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

ASSISTANT: Thanks for reaching us, wish you a happy day.