You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: As I have fallen sick suddenly due to bad weather, I would like to cancel my recent reservation.

ASSISTANT: Sure, I am here to help you. May I know your name please?

USER: Steven Smith here.

ASSISTANT: Ok, wait for a moment please.

USER: Ok.

ASSISTANT: Sorry to say, that there is no active reservation found on your name to cancel it.

USER: That's ok, thank you for your help.

ASSISTANT: You are welcome.