You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: My name is Sarah Edwards and I would like to cancel my reservation on an emergency basis.

ASSISTANT: Sure, I will help you with that. Please wait a moment.

USER: Sure, take your time.

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

USER: No issue, thank you for the information.

ASSISTANT: Thank you for choosing us.