text: Henry: Could we meet on Monday?
  Leo: What for?
  Henry: to discuss the party
  Marcel: hahha, love ya Leo
  Leo: ;) But haven't we discussed enough already?
  Henry: We should distribute the tasks
  Amelia: Henry is right
  Amelia: last year 3 people did most of the dirty work
  Amelia: because all the other picked up the cherries 
  Leo: I'm leaving on Monday
  Leo: Sorry
  Henry: when are you coming back?
  Leo: the next Monday
  Marcel: doesn't make sense to meet without Leo
  Henry: right
  Henry: isn't it too late the next Monday though?
  Leo: I don't think so
  Leo: I'll be available that Monday evening already
  Henry: ok, so Monday the 18th 8PM?
  Leo: ok
  Marcel: fine
  Amelia: ok
target: Henry, Leo, Marcel and Amelia are organizing a party. Leo's leaving on Monday for a week. They will meet on Monday, 18th at 8 p.m. to distribute the work.