|''begin transaction for client''| Joanna |''staff''| Bill |
|''book''|2||Truck|''on''|2004/05/08 09:01|''for''|2 days|
|''rent''|1||Truck|''for''|1 day|
|'''reject'''|''modify duration on rent''|1||Truck|''for''|1 day|''to''|4 days|
|''pay with cash $''|10000.00|
|''complete transaction''|

|''rental item subset''|
|''name''|''free count''|
|Truck|1|