The Good Part by Sophie Cousens

Lucy Young is twenty-six and tired. Tired of fetching coffees for senior TV producers, sick of going on disastrous dates, and done with living in a damp flat with roommates who never buy toilet paper. After another disappointing date, Lucy stumbles upon a wishing machine. Pushing a coin into the slot, Lucy closes her eyes and wishes with all her might: Please, let me skip to the good part of my life.