You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: Due to heavy rain, I want to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, we are gleeful to help you for cancellation. To proceed further, may I know your good name please?

USER: I am Kenneth Hernandez.

ASSISTANT: Sure, 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: No problem, Thank you.

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