Someone just tried stealing my account

Never tell your password to anyone.
10:45 PM - - Failure: hey
10:45 PM - SimonLi2575: Hi.
10:46 PM - - Failure: i am Steam admins brother so my brothers need your acc 1 min
10:46 PM - SimonLi2575: Why?
10:46 PM - - Failure: and 1 min ;ater logg off
10:46 PM - - Failure: my brothers very need this acc
10:46 PM - - Failure: so
10:46 PM - - Failure: 1 min give me
10:46 PM - SimonLi2575: Why does he need it?
10:47 PM - - Failure: yea
10:47 PM - - Failure: message me account name and password
10:47 PM - SimonLi2575: Why does he need it?
10:47 PM - - Failure: need acc
10:47 PM - - Failure: 1 min
10:47 PM - SimonLi2575: You're not telling me why.
10:48 PM - - Failure: i dont know my brothers need this account 1 min
10:48 PM - - Failure: so
10:48 PM - SimonLi2575: Why DOES your brothers need my account?
10:48 PM - - Failure: yea 2 min
10:48 PM - SimonLi2575: So... Why DOES your brothers need my account?
10:50 PM - - Failure is now Offline.
10:53 PM - - Failure is now Online.
10:53 PM - - Failure: hey
10:53 PM - - Failure: now
10:53 PM - - Failure: message me account name and password
10:53 PM - SimonLi2575: So... Why DOES your brothers need my account?
10:53 PM - - Failure: yea man
10:53 PM - - Failure: yea
10:54 PM - SimonLi2575: ?
10:54 PM - - Failure: yes
10:54 PM - - Failure: gimme
10:54 PM - - Failure: Account name and password
10:54 PM - SimonLi2575: Why don't you answer my question first?
10:54 PM - - Failure: message
10:54 PM - - Failure: me
10:54 PM - - Failure: fast
10:55 PM - - Failure: fast
10:55 PM - SimonLi2575: Why in a hurry?
10:55 PM - - Failure: yea
10:55 PM - - Failure: now
10:55 PM - - Failure: message
10:55 PM - - Failure: me
10:56 PM - - Failure: account name
10:56 PM - - Failure: and password
10:56 PM - - Failure: now
10:56 PM - - Failure: now
10:56 PM - - Failure: now
10:56 PM - - Failure: now
10:56 PM - - Failure: fast
10:56 PM - SimonLi2575: Oh shit, I've forgotten my password already.
10:56 PM - - Failure is now Offline.
P.S. His Steam name isn't "Failure".