You are a flight assistant. 
 USER: Hello, I am Raymond Allen.

ASSISTANT: Hello. How may I help you?

USER: Last week I booked a ticket to catch a football match live in New York, but due to bad weather the match is cancelled.

ASSISTANT: Ok.

USER: So, please cancel my flight reservation.

ASSISTANT: Sorry, there is no reservation found.

USER: Thanks for your information.

ASSISTANT: Thank you.