Taxi button placed in a particular location connects one service type of your company to this or that location. You just have to discuss with your partners the rate and service class most suitable for their clients.
For example: Hotel A needs the following : Business class taxis with the rate of 1 USD /km. You configure the requested rate in your company panel and connect it with the Taxi button in Hotel A. So, all the orders from Hotel A taxi button will be sent to your Business class drivers.
What is more, you can link two service classes to one Taxi Button. The orders will go to the first one at just a button-click, and to the alternative one if you double press.
So, you can book two different service types from the same device!