text: Anton: Are you in Boston?
  Jeff: Exactly in Cambridge
  Charles: At M.I.T?
  Jeff: yes, I'm having a conference here
  Anton: Perfect! do you have any plans for tonight?
  Jeff: Not really
  Charles: bear?
  Jeff: would be nice, I like this city a lot
  Anton: Could you come to Boston
  Jeff: where exactly?
  Anton: let's meet at the Boston Common
  Jeff: good, I can be there around 8.30
  Anton: I'm already free, so any time is good for me
  Charles: ok, so 8.30!
target: Jeff is coming to Boston Common at 8.30 tonight to meet Anton and Charles for a beer. 