text: Natacha: hi, i can come and pick you up at the RER.
  Charles: so  nice. I just landed. I think i'll arrive about 5:30pm. I'll give you a call
  Natacha: ok ,call  me when  you'll be at the station Vesinet. 
  Charles: thanks . see you
target: Charles has just landed and he will be at RER about 5.30 PM. Natacha will pick him up from there.