outbound calling to 1800 Dutch and 500 Flemish solar installation companies

We are looking for a freelancer who can help with outbound calling to 1800 Dutch and 500 Flemish solar installation companies. The purpose of these calls is to provide excellent customer service to existing clients. We prefer a soft selling approach to ensure a positive customer experience. The ideal freelancer will have experience in customer service and be fluent in Dutch and Flemish. We expect the freelancer to make between 50-100 calls per day.