Amazon SDE 2 interview questions

OA and then 4 rounds, 2 dsa - easy 1 lld - design a booking system 1 hld - design amazon notification system they were in random order you must code in java, to leave a good impact thats where I lacked

I got a call from HR, and the interview process is 1 online assesment and then 2 DSA rounds and 1 HLD round. Overall the interview is average difficulty. I have done well in all the rounds but got rejected based on amazon leadership principles as I dont have all the scenerios they have asked questions on