Build Hotel/Hospitality website

Our hotel below wants a competent company/ person to rebuild her website. See details of the expected site and app

bestpremierhotels.com/wp-admin
user name is admin
password: WebAD@Best_2017!*
Above website need total overhaul.
Get site to be:
-Interactive
-Able to receive data and send newsletters
-Guest to have options of check or self checkout
- Settle bills online
-Link site with hotel App.
- Loyalty Reward Program
- View menu and order food on site and app.
- back end to alert kitchen and room service of order,
-keep guest informed of order progress, hotel information, health and safety information and promotions.
-Bulk email and WhatsApp capabilities to guest.
-Staff chart window.
-WhatsApp booking
Booking.com
Enable above image when Best Premier Maitama Residence Is imputed in WhatsApp.