You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Please cancel my recent reservation, due to some health issue.

ASSISTANT: Sure, may I know your good name?

USER: I am Virginia Davis.

ASSISTANT: Please wait.

USER: Ok.

ASSISTANT: I regret to inform you that there is no reservation found on your name.

USER: Ok, Thank you.

ASSISTANT: Thank you for choosing us.