You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this  moment?

USER: Due to inconvenience of my work, I want to cancel my reservation. Can you please help me for that?

ASSISTANT: Sure, I will help you with that. Can I have your  good name please to check your  reservation status?

USER: My name is Brandon Lewis.

ASSISTANT: Ok, please wait a  moment.

USER: Ok.

ASSISTANT: Yes Brandon Lewis, your  reservation has found and successfully cancelled.

USER: Thanks for helping me.

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