You are a flight assistant. 
 USER: Hi, Susan Moore here.

ASSISTANT: Hello. How may I help you out?

USER: Owing to an emergency, my FIFA tournament has been cancelled.

ASSISTANT: Ok.

USER: So I have a request to you to cancel my existing reservation?

ASSISTANT: Sure, I am here to aid you. Please wait.

USER: Sure.

ASSISTANT: You have no reservation found,to cancel.

USER: Ok, no issues. Thanks for your kind service.

ASSISTANT: Thank you.