Who is Paige Turner in the novel, Whiskey Tango Foxtrot?

Paige Turner is the Diarist agent who meets Leila in Heathrow Airport. Paige briefly discusses the Committee with Leila, and encourages her to go on to Dublin for a meeting with the Diarists, after which time she will be free to walk away if she so chooses. Paige gives Leila an old Nokia phone for the purposes of contact, while at the same time, all of Leila's personal things are taken away.