Providing on-line non-downloadable software for scheduling professional services, assigning service providers, managing billing, and preparing and sending invoices; Providing a website featuring non-downloadable software for requesting and paying for professional services; Providing temporary use of non-downloadable cloud-based software for scheduling service providers; Providing subscription-based temporary use of non-downloadable cloud-based software for facilitating the scheduling, dispatch, and billing of service providers; Providing online non-downloadable computer software platforms for scheduling translation and sign language interpretation services and managing billing for the same; Providing a web site featuring temporary use of non-downloadable software for scheduling translators and sign language interpreters and managing invoices for their services; Providing on-line non-downloadable software for matching service providers with service requesters using automated matching algorithms, ranking filters, and machine learning; Providing on-line non-downloadable software using artificial intelligence (AI) for conversational scheduling and dispatching; Providing on-line non-downloadable software for managing service provider contracts and calculating variable billing rates based on specific service agreements; Providing on-line non-downloadable software for video conferencing