You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Please cancel my active reservation.

ASSISTANT: Sure, I am here to help you. May, I know your good name?

USER: Myself Timothy Thompson.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you.