"But while he's showing the attitude he's showing, I don't really see a problem. It will end up with some result, whether he stays here or not I don't know.
"I won't let him go and I certainly won't let him go for nothing."
There has been speculation surrounding Thomas-Moore's future and he has been linked with Rotherham, who are managed by his father and former Tranmere boss Ronnie Moore.
But Parry has moved quickly to tell fans at Prenton Park that no official offer has been received.
"I can assure everyone there has been no bid from Rotherham," Parry added. "I spoke to Ronnie Moore last Saturday about another player, and his only words were 'are you keeping hold of Ian' and I said 'yes'.
"That was the end of the conversation and there was no conversation about anything else."
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