text: Alan: Can you send me the file with budget estimation
  Allison: Done
  Alan: Sorry, not this one, estimation for current year, not for next year
  Allison: Sorry for the mistake, sent it to you
  Alan: Thanks. Tell me, do you know, why we doubled the costs in the line "other expenses" compared to last year
  Allison: It was when our boss had to come back from Japan for the convention
  Alan: I see, I see...
target: Allison send Alan budget estimation for this year. Extra other expenses are boss's trip to Japan, for a convention.