text: Rasim: what's our new destination guys? Lisbon?
  Ertan: YES
  Marthin: Depends on a date, this weekend I'm studying for my exams
  Burak: I have my flight from Lisbon so I will be there in February
  Rasim: I was thinking the last weekend of October would be nice
  Ertan: it will be cold :c 
  Rasim: so we can pick the first weekend of October
  Marthin: sounds great to me
  Rasim: Burak, you can visit Lisbon twice
  Burak: I'll think about it
  Ertan: that date is perfect
  Rasim: great!
target: Marthin is studying for his exams this weekend. Rasim, Ertan and Marthin will go to Lisbon the first weekend of October. Burak will go there in February so will think about going again with the guys. 