Requesting a hotel to connect to the system is a Manager function.
Non-connected hotels are clearly identifiable in the system.
On the Hotels list page they are identified with a broken chain icon:
Clicking on the hotel name will open the hotel details. Top-right there is a Connection request button:
Clicking this button opens the request form:
Make sure that you have the details of the appropriate person before sending the request.
Note: Sending a request does not guarantee that the hotel will connect