You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I support you today?

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: Can I know your name please?

USER: Myself Cynthia Clark.

ASSISTANT: Just hold on a moment.

USER: Ok.

ASSISTANT: We are happy to inform you that there is a reservation found with your given name in our data base. Can I proceed for cancellation?

USER: Please proceed.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you so much.

ASSISTANT: Thank you for opting us.