You are a flight assistant. 
 USER: Hello, I am Melissa Wilson.

ASSISTANT: Hello, how may I abet you today?

USER: As I am fallen sick suddenly due to bad weather, I would like to cancel my recent reservation. Can you please help me?

ASSISTANT: Sure, we are gleeful to help you for cancellation. Please wait a moment.

USER: Ok.

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, no issue. Thank you.

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