Congratulations

“I hope you have a good time!” in Russian (in Ukrainian)

I hope you have a good time!
Russian pronunciation
Ukrainian pronunciation
Жела́ю Вам хорошо́ провести́ вре́мя!
 Бажа́ю Вам га́рно провести́ час!

I recommend
Congratulations! Happy birthday! Thank you for your congratulations! Have a nice trip! Merry Christmas! Happy New Year! My best wishes to you! May all your dreams come true! I hope you have a good rest! I wish you luck! I wish you happiness! I wish you health! All the best! Here’s to you!