Paula: I need a cleaner, can you recommend someone?
Olivier: I never had a cleaner... 
Olivier: Sorry I can't help
Irene: Me neither... but I can ask some friends
Paula: I need someone to come to me once a week
Paula: If you could ask around I would be grateful
Irene: OK  
Paula needs a cleaner who would come to her once a week. Irene and Olivier will ask around for someone recommendable.