Formal:
* Да, буду. (Da, budu.) - This is the most direct and formal way to say it. It literally translates to "Yes, I will be."
* Да, я буду там. (Da, ya budu tam.) - This is slightly more specific and emphasizes your presence at a specific location. It translates to "Yes, I will be there."
Informal:
* Да, я приду. (Da, ya pridu.) - This is a more casual way to say "Yes, I will come."
* Хорошо, буду. (Horosho, budu.) - This translates to "Okay, I will be." It's a bit more relaxed and implies agreement.
* Конечно, я буду. (Konechno, ya budu.) - This translates to "Of course, I will be." It expresses enthusiasm and willingness to be there.
Other options:
* Я буду. (Ya budu.) - This means "I will be" and can be used if the context makes it clear you are agreeing to be present.
* Без проблем. (Bez problem.) - This means "No problem" and can be used to express agreement in a casual way.
The best option for you will depend on the specific situation and your relationship with the person you are talking to.