You have to go back to Immigration to amend the name as per her passport any mistake even spelling or number omitted she will have problem at the Airport. Airlines will check the Ticket, Visa and Passport all information should be matching. Any discrepancy of her documents Airlines will not allow to put a message (OKTB) OK To Board message from the point of Departure.
Reminder No Dummy Ticket anymore.
She should hold Return Ticket Pakistan / Doha / Pakistan.