You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: On the name of Michelle Martinez, I want  to cancel my reservation because of having the important meeting.

ASSISTANT: Sure, I will cancel your reservation Michelle.

USER: Ok.

ASSISTANT: please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: Ok.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your information.