The STAR method is a good way to manage your answer to this complex question. STAR stands for Situation, Task, Action, and Result.
“While working as a Sales Advisor at Myers, (Situation), I learned my colleague was going to be off sick for a week. I opened her appointments calendar (Task) and called her scheduled appointments in advance offering to re book them with me if
they needed urgent help (Action). This meant none of those clients had to wait for my colleague to return to have their queries dealt with. This helped the company but also alleviated the pressure on our team and my colleague when she did
eventually return to work. (Result)."