How does Geoff react when Sophie tells him about meeting Danny Casey?

When Sophie tells Geoff about her supposed encounter with Danny Casey, he reacts with a mix of surprise and skepticism. Initially, he listens with mild interest, but he quickly becomes doubtful, sensing that her story is likely just another one of her fantasies. Although Sophie is eager for him to believe her, Geoff remains cautious, neither fully accepting nor completely dismissing her account. His restrained reaction underscores his realistic outlook, in contrast to Sophie’s imaginative tendencies, and hints at his awareness of her habit of weaving elaborate daydreams.

This question related to Chapter 8 English Flamingo Class 12th NCERT.
From the Chapter 8: Going Places.
Give answer according to your understanding.