🇪🇸 Allow customers to book complimentary classes or sample classes, only at those times where there are already confirmed (paid) reservations. More details: I would like to give all my prospects the opportunity to take a complimentary class and make this courtesy available on the list of memberships and packages, so that they are free to schedule it on their own. The only rule would be that it can only be used in classes that already have at least a paid reservation, in order to avoid them booking empty classes, since for each class I must pay the instructor for the hour of service. This way, we ensure that all courtesies are scheduled in classes with users who are generating income. 🇬🇧 Allow clients to book courtesy or trial classes only in time slots where confirmed (paid) reservations already exist. More details: I would like to give all my prospects the opportunity to take a courtesy class and make this courtesy available within the list of memberships and packs, so they have the freedom to schedule it themselves. The only rule would be that it can only be used in classes that already have at least one paid reservation, in order to prevent them from booking empty classes, since I must pay the instructor for the hour of service for each class. This way, we ensure that all courtesy bookings are scheduled in classes with users who are generating revenue.