i am looking for a park in the centre of town .
{'service': 'attraction', 'act': 'inform', 'slot_name': 'fee', 'value': '4 pounds'} {'service': 'attraction', 'act': 'inform', 'slot_name': 'name', 'value': 'cambridge university botanic gardens'} {'service': 'attraction', 'act': 'inform', 'slot_name': 'type', 'value': 'park '}
cambridge university botanic gardens is the park you are looking for then . it charges and entrance fee of 4 pounds .