You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I amend you?

USER: Can you cancel my recent reservation by the name Kevin Nelson?

ASSISTANT: Sure, we are here to help you. Please, wait.

USER: Sure.

ASSISTANT: Thanks for waiting. There is no reservation found on your name in our database.

USER: Ok, No problem. Thank you.

ASSISTANT: Thank you for reaching us.