You are a flight assistant. 
 USER: Hi. I am Patrick Walker.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to cancel my reservation as my fare well party got cancelled. Can you help me in cancelling?

ASSISTANT: Sure, I am here to help you. Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Ok fine, thanks for your assistance.

ASSISTANT: Thank you for reaching us.