You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid 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 am here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Myself Donald Anderson.

ASSISTANT: Ok, please wait a minute I will get back to you.

USER: Sure, take your time.

ASSISTANT: Thank you for your time, we found a reservation on your name and it has been cancelled as per your request.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for choosing us, have a nice day.