You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance for you today?

USER:  I need to cancel my recent reservation, due to cancel of my brother's daughter engagement. Can you assist me with that?

ASSISTANT: Sure, I will help you. May I know your good name?

USER: Sure, you can check the reservation on the name of Angela Thompson.

ASSISTANT: Thank you for providing your good name, please hold on.

USER: Sure,.

ASSISTANT: Thank you for your patience. No reservation found on your name.

USER: That's Ok, no problem.

ASSISTANT: Thank you for choosing us, have a nice day.

USER: Thanks for your good response.