Hi – Ciao (amongst the young ones and those you know close).
Good morning, good afternoon, good evening – Buongiorno reads bonjorno, or, buona sera, to strangers, older ones, formally. Notice that is very rare to say Good Afternoon – buon pomeriggio reads bon pomerijo.
How do you do or Pleased to meet you – Piacere reads piachere.
How are you? – Come stai to close ones – Come sta to strangers and older ones or formally.
I’m well, thank you – Sto bene, grazie reads stoubene, gratsie.
Please, could you… – Per cortesia.
Thank you – Grazie reads gratsie. Or Thank you very much – mille grazie reads milegratsie.
See you soon – A presto.
Go ahead – Prego as in please do.
Goodbye – Arrivederci reads arivederchi (till we meet again).