It is correct, grammatically. But I think the word you want is booked up .
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CliveHi, A few more comments. I think you need to be under 30 to have a good understanding of 'hooked up'.In terms of men and women, I think it can suggest friendship, romance or actual sexual activity I would recommend that English learners avoid the term until they feel they have a good understanding of the nuances. I don't. CliveBut you will soon reach t