`customer-service` codelist

This table provides a list of customer services.

Codes

`assistance`	Assistance for persons with reduced mobility
`cancel`	Cancellations of services
`clean`	Cleanliness of rolling stock and station facilities
`complaint`	Complaint handling
`info`	Information
`other`	Other quality targets
`reliability`	Punctuality and reliability
`sat-surv`	Customer Satisfaction Survey
`ticket`	Tickets