You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Due to bad weather, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: William Miller here.

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

USER: No problem, Thanks for the information.

ASSISTANT: Thank you for reaching us.