OK, here it is 

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"Bonjour! Je m'appelle Monsieur James Potter. Et toi?"

(French – Good day! My name is Master James Potter. And you?)

"Sil vous plait! Je m'appelle Mademoiselle Eltala. Ca va?"

(also French – an approx. translation of the expression Wow! Thankyou! My name is Miss Eltala. How are you?)

"Gut danke. Und du?"

(German – Good thanks and you?)

"Nicht gut. Ich bin sehr mude und secht. Du sprecht  gut Deutch. Vass ist dein leiblingsport?"

(German- Not good. I am very tired and embarrassed. You speak good German. What is your favourite sport?) 

 "Me fendric grans au Quiditch. Endric du?"

(Bulgarian – My favourite sport is Quiditch. What is yours?)

"Acht sodesne! Quiditch au gratze."

(Bulgarian – Very well done! Quiditch is very good!)

"Czesque ghaetrsi? Coszvere? Djenquizer tac nyzer."

(Baronian – What position? Chaser? I play seeker.")