text: Margaret: Hi, in December I'd like to meet on 4th and 11th around 10:00 or 11:00. 
  Evans: Hi, 4th - we can meet at 10:00.
  Evans: And 11th - at 11:00. 
  Margaret: Okey. And what about 18th?
  Evans: I'm not sure about 18th. 
  Evans: I might not be in town. 
  Margaret: Okey, so we'll see. 
  Evans: Yes. And I'll let you know next week. 
  Margaret: If it's not 18th, maybe we could meet on 17th?
  Evans: If I go away, I won't also be 17th.
  Margaret: Okey, I get it. 
  Evans: But we could meet 14th, if you like?
  Margaret: Hm, I'm not sure whether I'm avaliable. 
  Evans: So let's set these dates later, ok?
  Margaret: Okey and we see each other 4th 10:00. 
  Evans: Yes!
target: Margaret and Evans plan to meet at 10 on 4th and at 11 on 11th. They both are not sure when they will be able to meet next, so they will come up with a date later.