You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you?

USER: Myself Michael Nelson. For some reasons I want to cancel my reservation, can you please help me with it?

ASSISTANT: Sure, I will help you.

USER: Thanks.

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

USER: It's ok. Thank you for the information.

ASSISTANT: Most welcome. Have a great day.