public RentalReceipt MakeRentalRequest(string vehicleTypeName, string regNo, DateTime rentalDay, string personnummer, double currentMilage, IRentalService rentalService)
        {
            // Rental request data
            string vehicleTypeToRent = vehicleTypeName;

            var rentalRequest = new RentalRequest()
            {
                RentDateTime = rentalDay,
                CurrentMilageKm = currentMilage,
                CustomerInfo = new CustomerInfo() { PersonNummer = personnummer },
                VehicleTypeName = vehicleTypeToRent,
                RegNo = regNo
            };
            var rentalReceipt = rentalService.RentVehicle(rentalRequest);
            return rentalReceipt;
        }