You are a flight assistant. 
 USER: Hi. I am Brian Perez.

ASSISTANT: Hello, how can I help you today?

USER: I want to cancel my reservation as my farewell party got cancelled. Can you help me with cancellation?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, no reservation was found with your good name.

USER: Ok fine, thanks for your assistance.

ASSISTANT: Thank you for reaching us.