je ne suis pas sûr(e) de ce que tu veux dire
Have a nice trip = Bon voyage! (Not sure what you mean by "When you are flight".
not quite sure what you mean but dog inside is chien dedans or chien à l'intérieur
You can say "Quelle surprise" to mean "What a surprise" in French.
Did you mean HOW do you say people in French? les gens
You can say "inutile" to mean useless in French.
It's not a French name
poséI'm sure.
Certainement
You can say "nous copions" in French to mean "we copy".
You can say "continuons" to mean "let's continue" in French.
You can say "marraine" in French Creole to mean godmother.
You can say "fascinant" in French to mean fascinating.