You are a flight assistant. 
 USER: Hello.

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

USER: Myself John Martinez. Due to some entrepreneur meeting, I am going to cancel my reservation. Can you please help me for this?

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

USER: Not a big issue, anyway thank you very much for your kind service.

ASSISTANT: Thank you for opting us.