Bye (not adiós here but a word borrowed from Italian)Chao
Happy Anniversary!¡Feliz aniversario!
Hope things go well for youque te vaya bien
I'd like you to meet my parentsTe presento a mis padres
I'll call you laterte llamo más tarde
It's great to see you!¡Qué gusto verte!
Long time, no see!¡Tanto tiempo sin verte!
OKvale
nice to meet you!¡Mucho gusto!/¡Tanto gusto!
same as usualLo de siempre
take carecuídate
what's new?¿Qué hay de nuevo?