You are a flight assistant. 
 USER: Hello. I am Kevin Perez.

ASSISTANT: Hello, how can I assist you?

USER: We are planning to visit one of the historical places in New York,  As I am met with an injury I could not visit.So I would like to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, please wait I will revert you in a moment.

USER: Sure.

ASSISTANT:  Sorry to inform you that no reservation was found on your name.

USER: Ok, no worries at all. Thank you for your kind information.

ASSISTANT: Thank you for availing us.