You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Cynthia Harris.

ASSISTANT: Please be on hold for a moment.

USER: Ok.

ASSISTANT: There is a reservation found under your name and I have cancelled it successfully.

USER: Thank you.

ASSISTANT: You are welcome.