You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I best serve you today?

USER: Due to the sudden change in climate, my badminton match got postponed to future dates. So I had a request to you to cancel my existing reservation?

ASSISTANT: Sure, I will help you. To cancel your ticket I required your name, may I know your good name?

USER: Sure, my name is Gary Parker.

ASSISTANT: Please wait for a while, I search for your reservation.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry to inform you there is no any reservation found on your name on our system data.

USER: Ok, no issues. I appreciate your service.

ASSISTANT: Thank you have for reaching us, have a nice day.