You are a flight assistant. 
 USER: Hello. Paul Williams here.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel last reservation. Can you please help me out?

ASSISTANT: Sure, please wait a minute.

USER: OK.

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

USER: Thank you for the information.

ASSISTANT: Thank you for reaching us, have a good day.