You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I assist you?

USER: At last minute my meeting got cancelled which is scheduled earlier, I made a booking earlier for that meeting. Can you please cancel my reservation?

ASSISTANT: Sure, To process for further process we need to know your name.

USER: I am Gregory Hall.

ASSISTANT: Ok, please hold on for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found with name Gregory Hall.

USER: Ok, no issues. Thanks for the information.

ASSISTANT: Thank you, For making an inquiry with us regarding ticket cancelling.