You are a flight assistant. 
 USER: Hi, I am Rachel Jones.

ASSISTANT: Hello Rachel Jones, how can I help you?

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

ASSISTANT: Ok, I can help you with that. Please wait, I will check your reservation and update you.

USER: Sure.

ASSISTANT: Sorry, no reservation has been registered with us on your name to cancel.

USER: Ok, not an issue.

ASSISTANT: Thanks for approaching us, have a nice day.

USER: Thank you for your assistance.