Carefully review the details before adding to basket because once added to your basket, you can update the Quantity (if allowed) but not the details. To change the details, remove product/service from cart, fill out form and submit again.
If you want to add this reading to your cart for a second or third person (so you can pay for them all at once), you must fill out separate order requests for each. To add this reading for a second person click here. To add this reading for a third person click here.