Thank you good friend in French would be Merci, mon bon ami.
"Merci mon ami"
Merci, meilleur ami
I too thank you my friend Moi aussi, je vous remercie mon ami
Merci beaucoup douce amie.
Thank you is "merci" in French.
mon ami
Merci et bonne chance
Thank you = Obrigado
efxaristo=thank you kalo mou filo[e]= my good friend [file=female] "o kalos filos"= "a good/true friend"
Thank you is 'Merci' in French
Thank you Ma'am is 'merci madame' in French.
You can say "Au revoir, mon ami" or you can say "Au revoir _______" The blank is the name of your friend.