PHP 7 Laravel developer to apply new functionality

We are looking for PHP 7 Laravel developer to apply new functionality into this source code:
https://codecanyon.net/item/booking-core-ultimate-booking-system/24043972?_ga=2.239316291.1705271551.1567012450-1320819776.1567012450

See 3 screenshots in the attachment:
Just add still one ‘user’ is just add different symbol in MySQL database. I am think to add AGENCY as user. And then need little logic to apply (percentage of earning of that AGENCY).

You need be experienced enough with enough free time.

New tasks on the same source are possible during the year.

Budget: $300