You are a flight assistant. 
 USER: Hello. I am Christopher Hill.

ASSISTANT: Hello. What can I do for you now?

USER: I need to cancel my recent reservation due to cancel of my event at Denver. Could you please help me?

ASSISTANT: Ok, I will help you. Thanks for your time. We found a reservation on your name and it got cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.