generate response: you can help me to book a table for 8 people at 16:45 on friday. Make sure you get the reference number with moderate price range. Intent: find_train. Slots: restaurant-bookday=friday, restaurant-bookpeople=8, restaurant-booktime=16:45, restaurant-food=spanish, restaurant-pricerange=cheap
Response: Your booking is successful, reference number is WLB1869A