text: Olivia: Hi Michael, is everything okay with the system? I can't log in
  Michal: there was a problem last night but it should work now
  Diego: same thing here, looks like it's the same problem again
  Michal: where are you Diego? 
  Diego: Barcelona team D
  Michal: ok let me check that brb
  Olivia: ok
  Michal: please try to log in now and let me know please
  Diego: it works now! thank you Michal
  Olivia: yes it's okay now, thanks
  Michal: please let me know if the problem appears again. have a nice day.
target: Olivia and Diego can't log into the system. The same problem appeared last night. Michal checks the problem. The problem has been fixed. 