Final answer:
The provided references do not clearly relate to a character named Esperanza offering to share her life story with Isabel in exchange for something specific. It appears the question might refer to a literary piece not included in the provided references.
Step-by-step explanation:
The question relates to a story where Esperanza is expected to exchange information about her life with Isabel. However, based on the provided references, there is no clear indication that this exchange is from a specific text between characters named Esperanza and Isabel.
The references mention different characters and scenarios, such as Uncle Tom being sold, Allende's novels, and a conversation between someone named Bess and another person, as well as Nora's dialogue with someone named Rank. It might be that the question pertains to a specific literature piece not listed among the references provided.
Since there is no direct relation to the provided references and given the information at hand, the correct and responsible action is to refrain from attempting to fabricate an answer. This ensures the integrity of the assistance provided to the student.