How safe is it to accept and chat with unknown Facebook friends?

Some woman from England sent me a Facebook friend request. I’m pretty sure I don’t know her, but she looks familiar, somehow. She claims to just be lonely and wanting to make friends, which I suppose is possible, these days.

My question is, whether it’s safe to chat to her? She hasn’t asked me for any money and she looks English. Her grammar isn’t bad either.

when I consider it, she resembles a few people I know, she looks a bit like someone I went to tafe with and someone that I was seeing for a while and fell out with. There’s a resemblance to both people.

I do know for a fact that it’s common for many people to have extra aliases online. I’ve been tricked before when I was more gullible and believed everyone is as honest as I am.

Updates
1 mo
She tried to set me up with a very ugly guy from Germany, that looked like Gollum. Mystery solved. Offloading uglies mission failed. I blocked her.
How safe is it to accept and chat with unknown Facebook friends?
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