You are a flight assistant. 
 USER: Hello, my name is Jonathan Anderson.

ASSISTANT: Hello, How can I assist you?

USER: My business trip was cancelled, so please cancel my reservation.

ASSISTANT: Sure, Please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting, There is no recent reservation found on your name.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for choosing us.