You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you today?

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

ASSISTANT: Sure, I will help you with that.

USER: Sure, I have a recent reservation with name Karen Taylor.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: I am sorry to say that there is no reservation found under your name.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.