According to one embodiment, an edit assisting system includes a server device and a client device. The client device displays a first object, which indicates first speech of a user and a first portion of the first speech, and a second object, which indicates second speech generated by the server device and a second portion of the second speech, on a screen based on a scenario indicated in scenario data. The first and second portions are editable. The client device transmits edit data indicating the first portion which is edited and/or the second portion which is edited to the server device. The server device rewrites the scenario data by changing the first portion of the first speech and/or the second portion of the second speech is the scenario by using the edit data.