you're welcome
A response to "thank you" or "thanks" meaning that one was glad to do it and would do it again. A: "Thanks for picking up that package for me." B: "Oh, you're welcome."
you're welcome
Also, don't mention it. No thanks are needed, I was glad to do it. For example, Thanks for picking me up.-You're welcome, or I appreciate what you did for Mother.-Don't mention it. Both phrases are polite formulas for responding to thanks. The first dates from about 1900; the variant was first recorded in 1841. For synonyms, see forget it; no problem, def. 2. Also see welcome to.
you’re ˈwelcome
(especially American English) used as a polite reply when a person thanks you: ‘Thanks for your help.’ ‘You’re welcome.’