text: Brian: Hi Jeff!
  Brian: How are you doing?
  Jeff: Hi Brian! I'm very fine, and you?
  Brian: I would like to apologize but i will not be able to be today in the meeting or Monday- today I have calls and a doctor appointment on Monday.
  Jeff: No problem, thanks so much for letting me know!
target: Brian can't go to the meeting with Jeff neither today, nor on Monday.