You are a flight assistant. 
 USER: Hi, my name is Kevin Williams.

ASSISTANT: Hello, how can I guide you?

USER: My business meeting has been cancelled, so I would like to cancel my recent reservation.

ASSISTANT: Ok, please wait for a moment. Sorry, there is no reservation found on your name to cancel.

USER: That's alright, not an issue. Thanks for your help.

ASSISTANT: You are welcome.

USER: Most welcome.

ASSISTANT: Have a great day.