Common phrases to respond to thank you:
You're most welcome! (I much prefer this to you're welcome which I think is overused.)
No worries!
My pleasure! (Which can also be shortened down to Pleasure, which is very casual.)
phrase: /frāz/ 短语；惯用语
pleasure: /ˈpleZHər/ [Noun] 欢乐 [Verb] 娱 My pleasure: 我的荣幸！
casual: /ˈkaZHo͞oəl/ 随意的