Different calenders for different services

Hi,

I have a website where you can book reservations,i am trying to set up another service (second one) where you can make appointments on a different callender. When i select the other service and press the button "show available times" it doesn't change the calender...

I need to have that set up because the reservations are both available on different times..

It needs to have a specific callender for a specific service.

Cheers,

Twan