je suis occupé(e), je n'ai pas le temps
"No, I am busy" is "Non, je suis occupé / occupée" in French.
You can say "Je suis occupé" to say "I'm busy" in French.
tu
You can say "Je suis occupé(e)" to convey that you are busy in French.
T'avais...Tu avais...
occupé(e)
The English words 'I am fine, thank you' in informal French become Je vais bien merci.
d'hier a été occupée
vous êtes occupé(e)?
Two ways to say "hello" in French are "bonjour" and the more informal "salut".
You have is "tu as" (singular AND informal "you"), or "vous avez" (plural OR formal "you") in French.
I am fine and keeping busy (English) -> Je suis fine et se tenir occupé (French)