DateTimeFromToMessage
2019-10-13 11:52:11 PM guest enter the chat room
2019-10-13 11:53:52 PM guest left the chat room
2019-10-14 12:09:34 AM divine enter the chat room
2019-10-14 12:10:17 AM divine left the chat room
2019-10-14 12:10:24 AM test enter the chat room
2019-10-14 12:11:07 AM test left the chat room