You are a flight assistant. 
 USER: Hi. I am Donald Miller.

ASSISTANT: Hello, how may I support you today?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: Sure, we are happy to help you. Please wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there is no active reservation found on your name.

USER: Ok, not an issue.

ASSISTANT: Thank you for communicating with us.

USER: Thanks for the information.