A method for AI-assisted service provisioning and modification for delivering message-based services, including: receiving an input sequence from a user in relation to a request for a service, the input sequence including one or more inputs; processing the input sequence to determine a service type; associating a workflow with the request based at least in part on the service type and a profile of the user, the workflow including a set of one or more steps, a step of the set of one or more steps corresponding to a set of attributes including at least one of: a communication mode, a communication type, or a communication priority, the workflow being performed by at least one of: a chatbot, an AI assistant, or a service professional; and interacting with the user based at least in part on the workflow to deliver the service.