Bitte schön! = 1. Not at all!, You are welcome! 2. Here you go!, There you are! (if you give sb sth)
Er bedankte sich für ihre Hilfe. "Bitte schön", sagte sie.
= He thanked her for her help. "You are welcome", she said.
https://www.learnwitholiver.com/german/daily-sentence-641

