appalling driver service and unprofessionalism for a premium service

made an order with you guys then when your driver gets to the address, he calls using whatsapp call and cant reach the recipient then turns back but when your agents reach her via direct line and not whatsapp call she finds out the driver has left, furthermore the driver is unprofessional and sends a whatsapp to say he has left and is far, why did he not use a direct call, for a premium service that you this is very appalling, l even have the screenshots from the messages the driver sent, his name is Joas and his number is ***