Language learners often meet their teacher once or twice a week, and speak very little in between. The tutor can provide short conversation practice at any hour, correct gently and keep the exchange at the learner's level. The teacher can see what was practised and where mistakes repeat. New students can start with a placement conversation, which the teacher reviews before assigning a class.
Placement is a good example of shared work. The tutor holds a short conversation and drafts a summary of the learner's apparent level. A teacher reads it, perhaps speaks to the learner and then assigns a class. The agent saves the repetitive part, and the decision stays with the person who teaches.
Prospective students write or call from different countries and at odd hours, and many compare several schools in one evening. The admissions and helpdesk agents can reply in the learner's language, note what they are looking for and record the enquiry. Staff then pick it up in the morning with the context already written down.
The tutor is a practice partner, not a replacement for a teacher. It can misjudge accent or nuance, and placement should be confirmed by a person before a learner is assigned. It works best on languages and levels where your teachers can check its output against your own materials. Start with one language or level, collect teacher feedback for a few weeks and compare attendance and practice time using records you already keep.