You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Would it be possible to cancel my reservation, which I have done with my name?

ASSISTANT: Sure, may I know your name to check your details in our database?

USER: My name is Kenneth White.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Kenneth White, sorry to inform you that there is no reservation found on your name.

USER: No problem, thank for the information.

ASSISTANT: Thank you for contacting us.