You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Kenneth Phillips. I had planned to go on a vacation, but it was cancelled.Can you cancel my  recent reservation?

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found under your name.

USER: That's fine. Thank you for your help.

ASSISTANT: You are welcome.