To our knowledge this is a novel collection strategy as we explicitly guide/prod the participants in a dialogue to engage in conversations with specific biases such as intent change, slot change, multi-intent, multiple slot values, slot overfilling and slot deletion.
chit-chat style dialogues without goals have been popular since ELIZA and have been investigated with neural techniques (Weizenbaum, 1966;Li et al., 2016Li et al., , 2017.