今日という日に、おめでとう。
これまでの旅に、ありがとう。

抱えた甘美と花束を忘れずに。
これからの未来を、あなたと共に。

Congratulations on this momentous day.
And thank you for the journeys you have taken so far.

Don't forget to take the confections and bouquet you have in your hands.
The future will continue...alongside you.