Hello how may I help you? I need to make a change to a metting. okay what would you like to change? Do I have a meeting scheduled on March 24th for 10:00 AM? Yes you do have a meeting on that day. Okay. I need to change that meeting from 10 AM to 8 AM. Can you do that? Unfortunately you also have another meeting at that time. Which other meeting do I have at that time? You have a meeting with the president to save the world Please go ahead with the time change. I will have to decide which meeting I will attend later. The change has been complete!