You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am John Martinez. My cousin's wedding got postponed, so I want to cancel my reservation. Could you help me in cancellation?

ASSISTANT: Sure, we are glad to help you with cancellation. Please wait for a while, to check the status of your reservation and let you know.

USER: Sure.

ASSISTANT: Thanks for your time. There was no reservation found on your specified name.

USER: Not an issue. Thanks for your quick response.

ASSISTANT: Thank you for opting our agency.