You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

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

ASSISTANT: Sure, may I know your good name to proceed further?

USER: Brenda Lewis 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 reaching us.