How I change the appointment price based on People Booked? 

I enable "Manage Capacity" option to let people book more than one person
I enable "Upfront Payment" option to get payment first before confirming the booking
but everytime I try to book in Odoo Website, from selecting the appointment product until the product inputed to cart, on the shopping cart always show the quantity & price for one ?

I'm expecting on shopping cart qty and price will adjust according the people booked when we choose appointment schedule and people booked

Please help if anyone has any answer for this