[{"id": "e1", "source": "node-greeting", "target": "node-ask-name"}, {"id": "e2", "source": "node-ask-name", "target": "node-ask-phone"}, {"id": "e3", "source": "node-ask-phone", "target": "node-ask-service"}, {"id": "e4", "source": "node-ask-service", "target": "node-book-appointment"}, {"id": "e5", "source": "node-book-appointment", "target": "node-confirm"}, {"id": "e6", "source": "node-confirm", "target": "node-webhook-notify"}, {"id": "e7", "source": "node-webhook-notify", "target": "node-end"}]