Oxford Learner's Dictionaries: https://www.oxfordlearnersdictionaries.com/definition/english/afraid?q=afraid Idioms I’m afraid ​ used as a polite way of telling somebody something that is unpleasant or disappointing, or that you are sorry about I can't help you, I'm afraid. I'm afraid we can't come. I'm afraid that it's not finished yet. He's no better, I'm afraid to say. ‘Is there any left?’ ‘I'm afraid not.’ ‘Will it hurt?’ ‘I'm afraid so.’

Yes

It is a polite way for saying no. I have no possibility to help you.