In The £199 Adventure, which is a radio drama adaptation of the The Case of the City Clerk, Laura is a receptionist working for Parker Pyne. She undertakes administrative tasks like showing visitors in and making arrangements for air tickets. There is another assistant, Marcia, who has a larger role in the office, helping Parker Pyne to plan his schemes and undertaking research.
Laura is mentioned by Parker Pyne in the dialogue but has no lines herself.