Miles upgrades

I know this topic has been talked about ,but I have forgotten ,
Wife and I are of to Vegas , in July
We booked flight with miles ,for the first time
T class, is there anyway we can upgrade these tickets ,to pe or uc
I also have a companion reward To use?



Trying to get through to flying club for the last hour ,no luck

Thanks all
Andy

A T class fare is upgradeable with miles (and the increase in fees/ charges) to a higher cabin (subject to a reward seat being available). Your companion reward can only be used with the purchase of a qualifying revenue ticket.
DL