generate response: Sounds good can you book that for 8 people at 12:45 on wednesday as well?. Intent: find_train. Slots: restaurant-bookday=wednesday, restaurant-bookpeople=8, restaurant-booktime=12:45, restaurant-food=portuguese, restaurant-name=nandos, restaurant-pricerange=cheap, train-arriveby=20:15, train-day=wednesday, train-destination=broxbourne
Response: Unfortunately, that date and time are unavailable. Do you want me to try for any other day or time?