1. A vehicular device for performing dialogs with a vehicular driver, comprising: a communication portion which communicates with a server; an output portion which outputs speech information to the driver; an input portion which inputting information based on speech uttered by the driver; and a controller which controls the communication portion, the output portion, and the input portion; wherein, when trigger information for starting a dialog process is generated in the vehicular device or in the server, the controller receives information indicative of the type of a first dialog forming a starting point of the dialog process and information indicative of the type of a second dialog forming an ending point of the dialog process from the server and carries out the dialog process based on the received information, the type of the second dialog being different from the type of the first dialog.