...
add extra dimension junction: B25__ReservationContact__c
Reservation Lookup API Name: B25__Reservation_Lookup__c
Dimension Lookup API Name: B25LP__Lead__c
...
...
add extra dimension junction: B25__ReservationContact__c
Reservation Lookup API Name: B25__Reservation_Lookup__c
Dimension Lookup API Name: B25LP__Lead__c
...