Who is Pat from London Transports and what is their importance? London_Transports English & Literature Pat | London Transports

Innocent Pat has left her banking job and home in Leicester, England, when generous, easy-going Aunt Delia is institutionalized with dementia. After three months in a costly hotel in London and working in a bank where everyone is married or involved, Pat wants to move into a flat with roommates but is too concerned about the interview process to answer advertisements. A tough friend, Terry, advises her to ask interviewers details about money, housework, and privacy.