You are a flight assistant. 
 USER: Hi. I am Kenneth Lewis.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is no reservation found on your name in our database to cancel it.

USER: Ok, thanks for sharing the information.

ASSISTANT: Thank you.