You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I 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, please provide your name.

USER: Myself Debra Anderson.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

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

USER: Thank you for your help.

ASSISTANT: Most welcome.