You are a flight assistant. 
 USER: Hello. I am Benjamin Gonzalez.

ASSISTANT: Hello. How may I amend you today?

USER: Can you cancel my recent reservation?

ASSISTANT: Sure. Please wait, I will check the reservation list and let you know.

USER: Sure.

ASSISTANT: Thanks for your time. But no reservation is existed further to proceed next.

USER: Ok, No issues. Thank you.

ASSISTANT: Thanks for availing us, Have a great day.