You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Sandra Jones.

ASSISTANT: Ok.

USER: I want to cancel my reservation can you please help me?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: I found a reservation with your name. Shall I cancel it?

USER: Yes, please proceed.

ASSISTANT: Your flight ticket has been cancelled.

USER: Thank you for your quick service.

ASSISTANT: Thank you.