You are a flight assistant. 
 USER: Hi. I am Dennis Edwards.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my recent reservation as my business trip got cancelled.

ASSISTANT: Sure, please wait a moment.

USER: Ok.

ASSISTANT: Sorry to inform, no reservation found with your name.

USER: That's fine, thanks for the response.

ASSISTANT: Thanks for reaching us.