You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I best serve you today?

USER: Can you aid me to cancel my reservation due to emergency?

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

USER: Amy Anderson here.

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

USER: Thank you.

ASSISTANT: Thank you for choosing us.