Most town car service Los Angeleshave a cancellation policy that allows you to cancel your service up to a certain point without penalty. However, the specific policy may vary depending on the service provider and the circumstances of your cancellation. It's recommended to review the cancellation policy carefully when booking your service, and to contact the service provider as soon as possible if you need to cancel or make changes to your reservation. Keep in mind that some services may charge a cancellation fee if you cancel within a certain timeframe, so it's best to cancel as early as possible to avoid any extra charges.