I joined my job 6 months ago and my team is incredibly isolated whereas I'm used to a collaborative, sociable team. I'm really struggling to stay interested and noticed I'm becoming quite depressed at work due to this. I don't mind the work but team is just not the right fit for me.
I know of another team who I fit into very well and have already got word they'd take me in from their manager.
What's the best way to tell my manager I'd like a transfer due to poor team fit? I keep practicing in my head but it doesn't seem to come out professional. Should I have other reasons than this as well?