You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I best serve you today?

USER: I want to cancel my recent reservation owing to an emergency.

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: I am Ryan Turner.

ASSISTANT:  I found your reservation on your name and I have been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for choosing us.