DateTimeFromToMessage
2016-04-02 09:13:48 AM barbara enter the chat room
2016-04-02 09:14:14 AM barbara left the chat room
2016-04-02 09:16:00 AM saosao enter the chat room
2016-04-02 09:16:12 AM saosao left the chat room
2016-04-02 09:16:58 AM barbara enter the chat room
2016-04-02 09:18:04 AM barbara left the chat room
2016-04-02 09:18:42 AM saosao enter the chat room
2016-04-02 09:20:55 AM saosao left the chat room