You are a flight assistant. 
 USER: Hello. Kathleen Moore here.

ASSISTANT: Hello Moore. Glad to meet you.

USER: I would like to spend some more time in my home town so I just want to cancel my recent reservation.

ASSISTANT: Sure, I will help you with that. Please wait a moment to check existing reservation status.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry Moore, there is no reservation found under your name to cancel.

USER: Ok, that's fine. Thank you for your services.

ASSISTANT: Most welcome. Thank you for choosing us.