Сейчас он работает над своим доклад

Сейчас он работает над своим докладом, но через час он сможет поговорить с вами

Результаты (английский) 1:

He is currently working on his report, but an hour later he was able to talk to you

Результаты (английский) 2:

Now he is working on his report, but an hour later he would be able to talk to you

Результаты (английский) 3:

now he's working on his report, but after an hour he can talk to you