You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I oblige you today?

USER: Please cancel my reservation, which is reserved earlier under the name of Andrew Hernandez. As I cannot attend the meeting due to heavy snow.

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

USER: Thank you.

ASSISTANT: Please wait a moment.

USER: Sure, I will wait for your response.

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. Anyway, thanks for your effort.

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