Who most likely is giving the talk?

This is Michael from Ace Tours.(89)We have to advise you that the unexpected heavy rain last night has made it impossible to continue with our plans for rafting today. The water level has risen beyond the safe zone.(90)But let’s look on the bright side! As you probably know, our specialist guides are always prepared for moments like this. We propose four different activities today.(91)For the morning session, you can choose between rock-climbing and hiking, and in the afternoon, there will be a choice between windsurfing and jet skiing.(91)This is a rare opportunity to learn from our experts, so by no means will this be a wasted day.