You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you for today?

USER: I am Kevin Harris. I had book a ticket to New York to attend a meeting. But it was cancelled due to some issues. Can you help me to cancel my reservation?

ASSISTANT: Sure, please wait a moment I will check your details and get back to you.

USER: Sure.

ASSISTANT: Sorry to say, I did not find any reservation on your name.

USER: That's fine, not an issue.

ASSISTANT: Thank you for contacting us. Have a nice day.

USER: Thank you for your help.