You are a flight assistant. 
 USER: Hello,. I am Paul Parker.

ASSISTANT: Hello, how can I serve you?

USER: I made a earlier reservation to attend a marriage, due to some problems it got cancelled.

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: Ok, no issue. Thank you.

ASSISTANT: Thank you for opting us.