You are a flight assistant. 
 USER: Hello. I am Thomas Martin.

ASSISTANT: Hello, may I know, how can I best serve you now?

USER: Can you cancel my flight ticket reservation? As my football match is being postponed due to bad weather in New York.

ASSISTANT: Sure, I can help you in that cancellation.

USER: Thank you.

ASSISTANT: Please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Sorry to notify that, there is no active reservation found on your name to cancel it.

USER: No problem, thank you for your information.

ASSISTANT: Thanks for approaching us.