You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Jacob Scott. Can you please cancel my last reservation?

ASSISTANT: Sure, I will help you. Please wait for a while.

USER: OK.

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

USER: Thank you.

ASSISTANT: Thanks for opting us, have a good day.