you will need to delete and start over again multiple times -
MATCH (n) DETACH DELETE n

=================


Creating nodes 
===============
CREATE (alice:Customer {id: 'C001', name: 'Alice', since: date('2020-01-15')})
CREATE (bob:Customer {id: 'C002', name: 'Bob', since: date('2021-03-20')})
CREATE (carol:Customer {id: 'C003', name: 'Carol', since: date('2019-07-10')})
CREATE (david:Customer {id: 'C004', name: 'David', since: date('2022-06-05')})


Creating Products 
=================
CREATE (savings:Product {code: 'SAV-001', name: 'Savings Account', category: 'Deposit'})
CREATE (checking:Product {code: 'CHK-001', name: 'Checking Account', category: 'Deposit'})
CREATE (credit:Product {code: 'CRD-001', name: 'Credit Card', category: 'Credit'})
CREATE (loan:Product {code: 'LON-001', name: 'Personal Loan', category: 'Credit'})
CREATE (mortgage:Product {code: 'MTG-001', name: 'Mortgage', category: 'Credit'})

Creating relations 
===================
MATCH (alice:Customer {id: 'C001'})
MATCH (savings:Product {code: 'SAV-001'})
CREATE (alice)-[:USES {since: date('2020-01-15'), status: 'active'}]->(savings)

MATCH (alice:Customer {id: 'C001'})
MATCH (credit:Product {code: 'CRD-001'})
CREATE (alice)-[:USES {since: date('2020-06-10'), status: 'active'}]->(credit)

MATCH (bob:Customer {id: 'C002'})
MATCH (checking:Product {code: 'CHK-001'})
CREATE (bob)-[:USES {since: date('2021-03-20'), status: 'active'}]->(checking)

MATCH (bob:Customer {id: 'C002'})
MATCH (credit:Product {code: 'CRD-001'})
CREATE (bob)-[:USES {since: date('2021-08-15'), status: 'active'}]->(credit)

MATCH (bob:Customer {id: 'C002'})
MATCH (loan:Product {code: 'LON-001'})
CREATE (bob)-[:USES {since: date('2023-01-10'), status: 'active'}]->(loan)

MATCH (carol:Customer {id: 'C003'})
MATCH (savings:Product {code: 'SAV-001'})
CREATE (carol)-[:USES {since: date('2019-07-10'), status: 'active'}]->(savings)

MATCH (carol:Customer {id: 'C003'})
MATCH (mortgage:Product {code: 'MTG-001'})
CREATE (carol)-[:USES {since: date('2020-11-20'), status: 'active'}]->(mortgage)

MATCH (david:Customer {id: 'C004'})
MATCH (credit:Product {code: 'CRD-001'})
CREATE (david)-[:USES {since: date('2022-06-05'), status: 'active'}]->(credit)

MATCH (david:Customer {id: 'C004'})
MATCH (loan:Product {code: 'LON-001'})
CREATE (david)-[:USES {since: date('2023-09-12'), status: 'active'}]->(loan)

Verify the setup 
=================

MATCH (c:Customer)-[u:USES]->(p:Product)
RETURN c.name, p.name, u.since
ORDER BY c.name, u.since