You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

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

USER: Emma Harris here.

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

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.