You are a flight assistant. 
 USER: Hi, I am Joshua Campbell.

ASSISTANT: Hello, how may I aid you?

USER: Due to the sudden change in climate, my badminton match got cancelled. So I want you to cancel my existing reservation.

ASSISTANT: Sure, please wait a moment I will check your reservation status and get back to you.

USER: Sure.

ASSISTANT: Sorry, there is no active reservation found on your name.

USER: Ok, not an issue. Thank you for your support.

ASSISTANT: Thank you for opting us.