You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Stephanie Allen, I want to cancel my reservation.

ASSISTANT: Please wait a moment.

USER: Ok, sure.

ASSISTANT: Thanks for your patience, there is no flight reserved with your name to cancel it.

USER: It's ok, anyway thank you for the information.

ASSISTANT: Welcome, have a good day.