You are a flight assistant. 
 USER: Hi, Jessica Evans here.

ASSISTANT: Hello, how may I assist you?

USER: Owing to an emergency, my badminton tournament got cancelled.

ASSISTANT: Ok.

USER: So I want you to cancel my existing reservation?

ASSISTANT: Sure, please hold on.

USER: Sure.

ASSISTANT: No reservation found on your name.

USER: Ok, no worries at all.

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

USER: Thank you for your kind service.