You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Rebecca White.

ASSISTANT: White, how can I help you today?

USER: I want to cancel my recent reservation, please help out.

ASSISTANT: Sure, please hold on for a moment.

USER: Ok.

ASSISTANT: Sorry White, no reservation found under your name in our website.

USER: It's ok, thank you for the information.

ASSISTANT: My pleasure, have  a great day.