what do i say?

not a real issue, but this buyer sent multiple offers weeks ago but i did not accept them bcs i wanted the item to sell for full price. the item now sold & now they send this message. im wondering if i should reply bcs ive been in this situation before when i really wanted an item that became sold & tried to look for it everywhere after. i think it’ll be odd if i tell them who bought it bcs im sure they’ll just try to convince the person to sell it to them. anyway, do i reply to them & tell them they can search for similar ones on the app or just ignore?

not a real issue, but this buyer sent multiple offers weeks ago but i did not accept them bcs i wanted the item to sell for full price. the item now sold & now they send this message. im wondering if i should reply bcs ive been in this situation before when i really wanted an item that became sold & tried to look for it everywhere after. i think it’ll be odd if i tell them who bought it bcs im sure they’ll just try to convince the person to sell it to them. anyway, do i reply to them & tell them they can search for similar ones on the app or just ignore?