You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am a soccer player, I booked a ticket to visit my home for two days but my plan has change. So help me to cancel my ticket.

ASSISTANT: Sure. Can you please provide your name?

USER: My name Patrick Smith.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Unfortunately, we did not found any reservation on your name. Thanks for choosing us.

USER: Ok, thanks for information.