Removing people from a conversation and adding replacements

[eezstreet]

I have a large private conversation going on right now, and someone has left the conversation. How do I remove that person from that conversation slot and replace it with someone else?

[Fighter]

I'm unsure if you can manually remove someone from a slot. Below the participants list to the left you'll be able to invite more people. I'm unsure if it replaces people who have left the conversation if it gets too full, as I've never had a conversation that large.

[eezstreet]

Doesn't, I'm unable to invite more people.