You can schedule additional lessons or reschedule and upcoming lesson for your Skoove DUO subscription via the email confirmation you received after booking the initial lesson. In the confirmation email you will see the following 3 buttons at the bottom of the email:

Click the Change/Cancel Appointment button to open the scheduling page

To reschedule an upcoming lesson you can click the reschedule button at the top of the page.

Or to book an additional lesson, if you have time left on your subscription. At the bottom of this page you will see the "Schedule Another Appointment" button. You can click this to schedule the additional lessons in your subscription plan.