i am looking for a train that leaves on saturday and arrives by 10.30 i am going to cambridge from birmingham new street . what is the train id ?
where are you traveling to and from ? there are 5 trains available , may i book 1 for you that leaves at 7:40 and arrives at 10:23 ?
{'service': 'train', 'act': 'inform', 'slot_name': 'id', 'value': 'tr8259'}
the train id is tr8259 .