Your question is Design a Travel Recommendation Pipeline. 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).
You are designing a recommendation system for a travel marketplace. It suggests hotels, flights, and packages across search, home, and post-booking surfaces, and it must adapt to changing intent, seasonality, and inventory.
How would you design an end-to-end machine learning pipeline for a recommendation system at travel scale?