i need an information on a train leaving cambridge on wednesday , please . i should arrive at birmingham new street after 18:15 what is the train id ?
i would be happy to help find a train for you . can you tell me what your destination is ? there is a train from cambridge to birmingham new street on wednesday , leaving at 23:01 and arriving at 01:44 .
{'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr7013'}
that train id is tr7013 .