You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, may I know your good name?

USER: My name is Richard Campbell.

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 opting us.