You are a flight assistant. 
 USER: Hello.

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

USER: I want to cancel my recent reservation, as most of my friends are not coming for the vacation.

ASSISTANT: Sure, I will help you with that.

USER: Can you please help me?

ASSISTANT: Sure, I will. Can you please provide me reserved name on which you reserved a ticket?

USER: Kenneth Gonzalez.

ASSISTANT: Sorry Kenneth, no reservation found under your name to cancel.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Most welcome. Thank you for choosing us, have a great day.