can i replace battery on iPad Pro(9.7-inch)?

See information in the following: iPad Repair & Service - Apple Support

It shows that the battery replacement cost for an iPad Pro 9.7" if done by Apple in the U.S. is $119.

I went to Apple support and made a reservation at the Modesto California Apple Store to specifically replace the battery on my iPad Pro 9.7 A1674 model. The reservation stated it would be $119. I drove 55 miles to my appointment several days later only to be told when I went in the store that they do not replace batteries on any iPad. I don’t understand why the reservation system at Apple allows you to make a reservation to replace the battery when they actually won’t even do it. I believe they just tricked me into coming into the store so they could try to sell me a new one. I am very disappointed in this deception.