How to delete conversation channels for one user only

Hello, we are using APIS from (ref- Amity API)
we want to something like;
Suppose there are two users userA & userB, and they are chatting to each other and we created a conversation channel for this chat.
now we want to delete chat from userA account but need to display in userB account how can we do?
we tried using remove users from a channel but it gives an error : Can’t remove users in the conversation channel.
can you please help how can we achive this requirement?

@vibhorMaheshwari Regarding the question you asked, when you delete the channel, the following occurs: