public async Task DeleteBookingAsync(VacationBookingDto booking)
        {
            using var db = await _dbFactory.Create <SampleDbContext>();

            db.Bookings.Remove(booking);
            await db.SaveChanges();
        }
        public async Task AddBookingAsync(VacationBookingDto booking)
        {
            using var db = await _dbFactory.Create <SampleDbContext>();

            Console.WriteLine(JsonSerializer.Serialize(booking));
            db.Bookings.Add(booking);
            await db.SaveChanges();
        }
        private async Task DeleteBookingAsync(VacationBookingDto booking)
        {
            await BookingService.DeleteBookingAsync(booking);

            _bookings.Remove(booking);
        }