input.csv

sep=,
44700600505,12345683,,17,5/13/2017,female,AS111,ModelY,Nokia,XYZ1234,Y,Windows,Y,15,0,0,0,0,0,0,0,0,Y,N,Y,N,10/21/2016,10/21/2016,10/21/2016,1,12/31/9999,6,N,,,,,12/31/9999,O2 Free Calls,N,O2,GENEVA,,,,,,Y,Y,Y,Y,Y
44700600500,12345678,some.guy@gmail.com,15,11/20/2016,male,ES145,E5573s-320,HUAWEI,Unknown,N,Not Known,Y,8,0,25,0,0,45,0,90,0,N,Y,N,Y,10/21/2016,10/21/2016,10/21/2016,1,12/31/9999,6,N,,,,,12/31/9999,O2 Sim Only Data 30D 2GB (CR7064),Y,O2 Rebrand - BRACKNELL,GENEVA,,,,,,N,N,N,N,N
44700600501,12345679,jane.doe@gmail.com,18,10/10/2017,female,AS146,ModelX,Nokia,fifarafa,Y,Windows,Y,15,0,0,0,0,0,0,0,0,Y,N,Y,N,10/21/2016,10/21/2016,10/21/2016,1,12/31/9999,6,N,,,,,12/31/9999,O2 Free Calls,N,O2,GENEVA,,,,,,Y,Y,Y,Y,Y
44700600502,12345680,kamil.jest.gupi@gmail.com,54,1/1/2018,error,ES147,Unknown,,,N,Not Known,Y,13,90,0,25,0,0,25,0,0,N,Y,N,Y,10/21/2016,10/21/2016,10/21/2016,1,12/31/9999,6,N,,,,,12/31/9999,O2 Free Data for homo,Y,O2,GENEVA,,,,,,Y,Y,Y,Y,Y
44700600503,12345681,john.doe@gmail.com,33,9/24/2016,male,SS88,5,Mi,Xiaomi,Y,Android,Y,10,0,0,0,45,0,90,0,0,Y,N,N,Y,10/21/2016,10/21/2016,10/21/2016,1,12/31/9999,6,N,,,,,12/31/9999,GiffGaff 40GB data packet,N,GiffGaff,-,,,,,,N,N,N,N,N
44700600504,12345682,dummy.mail@gmail.com,36,1/20/2016,,ES149,,Lenovo,,Y,Android,Y,20,25,90,0,0,0,0,0,0,N,N,Y,N,10/21/2016,10/21/2016,10/21/2016,1,12/31/9999,6,N,,,,,12/31/9999,O2 Sim Only Data 30D 2GB (CR7064),Y,O2 Rebrand - BRACKNELL,GENEVA,,,,,,Y,Y,Y,Y,Y