You are a flight assistant. 
 USER: Hello, Janet Williams.

ASSISTANT: Hello, how can I abet you?

USER: I want to cancel my reservation, due to some personal work. Can you help me with this?

ASSISTANT: Sure. Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, Thanks for your service.

ASSISTANT: Thank you for approaching us.