dialogue: Tom: Dusan, can you come in for 1 lesson tomorrow at 4-5:30?
  Dusan: Ok, it should be fine
  Dusan: Can you tell me about the class, no of students, level?
  Tom: 4 students, upper intermediate. The course book will be at the reception.
  Dusan: Ok, thank you. Can you tell me which book do they use?
  Tom: English File
  Dusan: Ok
  Tom: Thank you, have a good day.
  Dusan: Thank you, you too
summary: Tomorrow at 4-5:30, Dusan will take 1 class from Tom. There will be 4 students, the level is upper intermediate and the book, English File, will be at the reception.