You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I need to cancel my reservation as I am suffering with the fever. Can you help me with that?

ASSISTANT: Sure, may I know your name please?

USER: Sure, my name is Barbara Davis.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry Davis, there is no active reservation found with your name in our records.

USER: Not a problem, anyways thank you for the information.

ASSISTANT: Most welcome.