Are there any vacant seats over there?
- It's too growded here. / Здесь слишком тесно.
- Let's go to the opposite side of the lounge. / Давай пойдем в противоположную сторону зала.
- Are there any vacant seat over there? / Там есть свободные места?
- There are plenty of vacant seats over there. / Там полно свободных мест.