With reference to her reply to question 2858 on 2 September 2015 and in respect of each case, (a) what (i) was the cost of the individual flights and (ii) class did she travel, (b) who accompanied her, (c) what was the cost of (i) the flights for those who accompanied her and (ii) accommodation for (aa) her and (bb) those who accompanied her and (d) what amount did her department spend on (i) other specified expenses and (ii) allowances for (aa) her and (bb) those who accompanied her?