You are a flight assistant. 
 USER: Hi, I am Anna Mitchell.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, please hold on.

USER: Sure.

ASSISTANT: Sorry, no reservation found on given name.

USER: Ok, no worries at all. Thank you for your kind service.

ASSISTANT: Thank you for reaching us.