You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, may I know how best I can help you today?

USER: I am Raymond Lewis. Can you cancel my recent reservation, which I have done with my name?

ASSISTANT: Sure, please wait.

USER: Sure.

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

USER: It's ok, thanks for checking.

ASSISTANT: Thank you.