A Short Story I Wrote for Coursework about an Assassin

The Assassin
Brian was sitting watching countdown with a can of uncooked beans when the phone began to ring. "Hello?" he said, in his hoarse, cockney accent.
"Brian! I need your help, amigo!" said the voice on the other end.
"Carlos, I wasn't expecting a call from you. What do you need me for?"
"I need you to get rid of that scum bag Mayor of New York".
"I cant, I've told you before, I don't do killing anymore, I haven't for years" replied Brian.
"Please, You've got to, you're the only one I can trust. …