Lufthansa — my booking pune to chicago

Address:	411004
Website:	www.lufthansa.com

Booked ticket pune chicago today on airline website withbooking code
Sqbalg
My pune chicago booking is correct but chicago to pune ticket i choosed was chicago to frankfurt and frankfurt to pune.
But as i proceed further and booked finally i found my ticket via toranto which i never opted.
Problem with booking is u can not confirm bookin details at final stage.
So pl help me out to change my invound flight
My mobile no is +91 [protected] and mail id [protected]@yahoo.com