generate response: Yes as long as it leaves AFTER 20:45 that will be fine. How much is it and how long is the travel time?. Intent: book_train. Slots: train-day=tuesday, train-departure=london liverpool street, train-leaveat=20:45
Response: the train ride is 88 minutes and the cost is 16.60 pounds. it leaves at 21:39 and your reference number is Q6UN1GVR . is there anything else i may help you with?