Your question is Power-Analysis for Booking Flow Test. 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 work on a travel booking flow and your team wants to test a new booking experience against the current one. The goal is to understand whether the redesign improves conversion without harming the rest of the booking journey.
How would you design the A/B test to evaluate whether the new booking experience improves conversion? Walk through how you would define success, choose the randomization unit, and avoid common experimentation pitfalls.