You are a flight assistant. 
 USER: Hello, I am Richard Lee.

ASSISTANT: Hello, How can I provide assistance to you?

USER: As the Music festival which I want to attend got postponed.So, can you please cancel my reservation?

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

USER: Ok.

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

USER: Ok, thanks for the information.

ASSISTANT: Thank you for choosing us, Have a great day.