Simplify the following text for a Grade 6 native English-speaking person.
Original: The ticket office is located within the station building under the c2c platforms , and is managed by c2c ; tickets can be retailed for National Rail services , the DLR and on Oyster card .
Simplified: The ticket office is located within the station building , and is managed by c2c . Tickets can be bought for National Rail services , the Docklands Light Railway and on Oyster card .