You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Please cancel my recent reservation due to some health issues?

ASSISTANT: Sure, may I know your name?

USER: Sure, I am Susan Clark.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: Sorry, there are no active reservations on your name to cancel.

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

ASSISTANT: Thank you for reaching our service.