Had something similar occur last November when I purchased two one ways from Beijing to Shanghai and back. Ultimately, I had to make sure I used the exact wording of the name on my ticket booking to bring it up. As I recall, they added MR to my booking which I did not include when trying to bring it up. I believe there was also a phone number you could call for assistance. Hold times can be aggravating, but worth the peace of mind.

Safe travels.