You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I want to cancel my recent reservation due to an emergency, can you please help me?

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

USER: Sure, my name is Joseph Hall here.

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

USER: Ok, not an issue.Thank you for your information.

ASSISTANT: Thank you for opting us.