text: Peter: How should we fly to Moscow?
  Liam: what do you mean?
  Peter: direct flights are very expensive
  Peter: i thought we could fly through another Eastern European city and see a bit more than only Russia
  Sean: good idea!
  Josh: Air Baltic has good prices 
  Peter: Yes, I've jus seen their special offer
  Peter: to Moscow thought Riga
  Peter: We could stay there for 3 days and look around
  Josh: I have a friend in Riga, maybe he could even host us
  Peter: 4 people? nah
  Josh: but surly could show around etc
  Peter: nice
  Sean: ok, let's do it. Sounds like fun
target: Peter, Liam, Sean and Josh plan their trip to Moscow. They decide to go to Riga first and spend there 3 days.