Hey @JHackney Maybe not so time-relevant to you anymore but… What we did was a simple workaround.
Basically, we wanted to have meetings allocated based on customer location. So we created a simple script on our website that, depending on the choice of city by the user, would embbed a different calendar link.
Have a look here: https://steinbeis-smi.de/beratung/beratungstermin-buchen/
In case this works for you, this is a very simple task that a junior dev should be able to accomplish in 2 or 3h max.