You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I aid you?

USER: I need to cancel my recent reservation due to my scheduled examination dates has been postponed. Can you help me?

ASSISTANT: Sure, I will help you.

USER: Ok.

ASSISTANT: May I know your name for further process?

USER: My name is Ronald Jones.

ASSISTANT: Please stand by.

USER: Sure.

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

USER: Ok, thanks for your quick response.

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