Occasionally, your teacher may give you a coupon code. A coupon code created by a teacher is redeemable only a) for a single lesson, b) with that teacher.
To use your coupon code please do the following:
1) Go to your teacher's profile page.
2) On the right hand side of the teacher's profile page, click "1 session".
3) On the checkout page, double check that "1 session" is selected and click "Add coupon".
4) Add your coupon code and click "Apply coupon".
5) Confirm your registration by clicking "Confirm".