Kismet is the name of the cafe mentioned in the book Isla and the Happily Ever After by Stephanie Perkins. It plays a role in the story as a significant location, symbolizing fate and destiny for the characters. The name itself reflects the concept of fate, which ties into the themes of love and destiny explored in the novel. In the conversation from the book, one character asks, "What's Kismet?" and is told, "Fate," emphasizing the cafe's symbolic connection to the idea of destiny. The mention of Kismet highlights how the setting and names within the story often carry deeper meanings related to the characters' journeys and relationships.