You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I need to cancel my reservation as my friend met with an accident, can you help me?

ASSISTANT: Sure, I can help you with that. For sure I need your name, so that I can help you easily.

USER: Myself Michelle Jones.

ASSISTANT: Michelle, there is no reservation found on your name. Thank you for visiting us.

USER: No problem, thanks for checking.