Your question is Appointment Booking Chat App. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Build a chat application for booking appointments that handles natural language queries
Asked in the Full-Day Onsite stage. This was described as the central real-product-feature task of the onsite loop, covering system design through implementation, code review and a live demo.