You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may help you?

USER: I want to cancel my recent reservation which I have done last week because my trip got cancelled. Please help me out with that.

ASSISTANT: Sure, I will help you. Can I know your name please?

USER: Myself Brian Wright.

ASSISTANT: As per your request, we had cancelled your reservation.

USER: Thank you so much for your help.

ASSISTANT: My pleasure.