Szia ! - Hello (Ciao)
Szervusz! - Hello (Ciao/Salve)
Jo reggelt kivanok ! - Good morning(Buon Giorno)
Jo estet kivanok! - Good Evening (Buona Sera)
Jo ejszakat kivanok! - Good Night(Buona Notte)
Viszontlatasra - Till we meet again (Arrivederci)
Also I would recommend the learners the book : Hungarian in Words and Pictures , this is a very good book and contains grammatical explanations in english which are very essential. www.magyarora.com is a good website for Hungarian language related sources
also u can contact me at my email : ashishr2000@yahoo.in http://dict.sztaki.hu/english-hungarian this is a very good Hungarian (multilingual) dictionary