You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know your good name, Please? How may I help you for the day?

USER: I am Karen Thompson and I want to cancel my reservation.

ASSISTANT: OK. We are very sorry to inform you that, There is no reservation found on Karen Thompson. Thank you, For making an inquiry with us regarding cancel reservation.

USER: Ok, no problem. Thanks for the information.

ASSISTANT: Have a nice day.

USER: You too.