You are a flight assistant. 
 USER: Hello. I am Carol Anderson.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to cancel my recent reservation, due to health issue. Can you please cancel my ticket?

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Sure.

ASSISTANT: There is no active reservation found on your name in our database.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for opting us.