On the site http://ekskursii.lutsk.ua/ in the subtitle "Block", make to display the number of places left for the excursion A in the admince add the possibility of changing the number of places in the tour, so that more than the number of tickets mentioned, there was no possibility for the users to purchase.
The customer did not leave the feedback objectively.
Agree with the customer T3 in detail and discuss everything on the price immediately, because there were big problems with it.
A lot of work in fact. (This project took a long time)
Work with the customer only on a prepaid basis.