You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

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

ASSISTANT: Sure, may I know the name?

USER: Sure, I am Shirley Garcia.

ASSISTANT: Sorry, there is no active reservation has been found under your name in our database to cancel it.

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

ASSISTANT: Thank you for reaching us.