!3 ''Not Enough Points''
 * ''Bill tops up point balance to 10.00''
|''begin admin transaction''|Bill|
|''topup''|10.00|''points for client''|Joanna|
|''complete transaction''|

|'''check'''|point balance for client|Joanna|10.00|

!3 ''Try to pay with points, but fails because not enough points avaiable''
|''begin transaction for client''| Joanna |''staff''| Bill|
|''rent''|2||coffee dispenser|''for''|3 days|
|''rent''|1||hot water dispenser|''for''|3 days|
|'''reject'''|''pay with points $''|73.20|
|''pay with cash $''|73.20|
|''complete transaction''|

|'''check'''|point balance for client|Joanna|10.00|
