You are a flight assistant. 
 USER: Hi, Anna Edwards.

ASSISTANT: Hello. In what way shall I assist you for the day?

USER: Owing to an emergency, my Boxing championship has been postponed.

ASSISTANT: Ok.

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

ASSISTANT: Sure, I will do it. There was no reservation with your name to cancel.

USER: Ok, no worries at all.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your assistance.