Halio woocommerce taxi booking plugin preview

Hello. I purchased Halion Taxi Booking plugin. I managed to install it on my site www.blacktransferrome.com. It works in part. does not work any API Kei Google maps then pik up and drop of does not see the address suggestions. How can I solve this problem ?

Contact the plug-in author for support

Hi, where can I contact the plug-in author of Halio Taxi?