I would first have a consultation with your stylist regarding the hair cut, Many stylist are not used to cutting these hair cuts. Bring pictures to show and tell this way you can make sure you both understand what is involved in the process. The asymmetrical bob has to flow from one side to the other. Today's asymmetrical hair cuts have more texture than the past.
It is very stylish haircut and it is in a trend this season. Check out this article for more pictures https://glaminati.com/asymmetrical-bob/ and simply make a choice. I try to change my image every six month and believe it is very refreshing