How do you say Yhank you, Haydée. You are very generous. I wish I could go. in Japanese?

Machine translation

イハンク、ハイディー。 あなたはとても寛大ですね。 私も行けたらいいのに。

Translated automatically — no one has checked this one yet. Machine translation handles plain sentences well and misses tone, formality and idiom, which is exactly what the phrase pages on this site exist to capture.