text: Kate: Good morning Professor
  Mary: Good morning Kate
  Kate: I would like to postpone our tomorrow’s lesson to Monday. Would it be convenient for you?
  Mary: Wait a minute, please. I need to check in my calendar
  Kate: Of course
  Mary: Well, I would have time for you between 5 and 7 p.m.
  Kate: Thank you, professor, that would be perfect
  Mary: Very well. Goodbye, then
  Kate: Goodbye
target: Kate asks Mary to postpone their tomorrow's lesson to Monday. Mary agrees to between 5 and 7 p.m.