You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I oblige you today?

USER: Please cancel my reservation, on my name Nicholas Hernandez. As I need to stay back on my home, due to heavy rain.

ASSISTANT: Sure, we are gleeful to help you for cancellation.

USER: Thank you.

ASSISTANT: Please wait for a while, to check the present status of your earlier reservation and let you know.

USER: Sure, I will wait.

ASSISTANT: Thank you for waiting. I have checked in reservation list to cancel your ticket, but could not find any reservation with your name.

USER: Ok, not a problem. Thanks for the service.

ASSISTANT: Thank you for reaching us, Have a blissful day!.