The more she heard of the story, the more she thinks that she's in a reality tv show or she's having a very vivid dream. While her logic suggests thus, her senses are definitely telling her that this is more real than she would like it. Though she wants to pry further, there is a more pressing concern that she has to address.
"Umm... I'd like to buy some but I only have uhh... "
She paused for a moment as she pulls out her purse from her vest and rummages inside.
"I only have five hundred yen on me..."
She silently hopes that her currency is acceptable here. Likely a possibility if this has happened before as the woman suggests. If that is the case then she could get some more information as well as re-energize herself with what looks like good food.