You are a flight assistant. 
 USER: Hi, I am Gary Smith.

ASSISTANT: Hello. How can I aid you?

USER: Owing to an emergency, my FIFA tournament has been cancelled. So I want you to cancel my existing reservation?

ASSISTANT: Ok. Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time. We didnt found any reservation by this name.

USER: Ok, no issues at all. Thank you for your assistance.

ASSISTANT: Thank you.