I translated a little more so that people could at least get a general idea of what's going on.
A lot of it isn't the exact translation, but it's generally what's being said. If anyone knows the exact translation for this, please correct me.
Merry Christmas!!Now, everyoneJohtoThere are so many delicious food...Dia! You should greet your predecessors first.Boss, this tastes nice.KantoMerry Christmas!!HoennSinnohIt's been a while since we last gathered.It's a nice plan, to have everyone's Christmas party.I came up with the idea!Gold doesn't do cumbersome things anyway, though.that's my meatWe prepared the decorations, cooked food and others, you know.that's rightoh*chuckle*Greetings first!!ChristmasThanks for inviting us too...Isshu