The air conditioning is too cold. Can you adjust it?
con-di-zio-NA-ta — stress on fourth syllable. Regolarla: re-go-LAR-la — stress on third syllable.
Say this to a flight attendant when the cabin temperature is uncomfortably cold, which is common on budget airlines flying during summer.
L'aria condizionata (the air conditioning) — aria (air), condizionata (conditioned/air-conditioned). È troppo fredda (is too cold) — troppo modifies the adjective. Può regolarla (can you adjust it) — regolare (to regulate/adjust) + la (it, referring to the feminine aria).
Ho freddo, può abbassare l'aria?
I am cold, can you lower the air?
More colloquial — abbassare l'aria means reduce the intensity of the air flow
Può chiudere il bocchettone dell'aria?
Can you close the air vent?
Bocchettone dell'aria is the individual overhead air nozzle
Mi porta una coperta? È gelato qui.
Can you bring me a blanket? It is freezing here.
Gelato (frozen) used colloquially for 'freezing cold'
Aircraft cabins are typically kept at around 20-22°C, but passengers near the wings or under vents can feel significantly colder. Layers are always advisable on Italian summer flights, especially on budget carriers.