generate response: I need to travel on Friday sometime after 13:45. Can you tell me whats available?. Intent: find_restaurant. Slots: train-day=friday, train-departure=cambridge, train-destination=london liverpool street, train-leaveat=13:45
Response: I have train TR4187 that leaves at 13:59 and arrives by 15:27 in london liverpool street. Would you like me to book that for you?