Conversational Service Automation for Modern MSPs. On the journey to pioneer CSA as the future of PSA. DeskDay Conversational Service Automation (CSA) is the next-gen PSA built to drive simplicity & profitability for MSPs who are tired of managing old & complex PSA systems. With a chat-first service desk for your tech and an in-built multichannel ecosystem (Mobile App, System App & MS Team) for your customers, DeskDay delivers a smooth chat-led support experience wherever your customers are - Microsoft Teams, mobile, desktop- you name it.