Hi Evelyn, the GT offer with the guitar, it has nylon strings and looks to be a classical style guitar so won't be that great for strumming chords if that is the case.
With regards to size. I have gone from a dreadnought guitar to a slimline mini jumbo style and much prefer it. It's still a full sized guitar, just has a smaller body.
https://www.guitarsuperstore.com/guitars/acoustic-guitars/washburn-festival-series-eat12-mini-jumbo-thinline-guitar-was0754

So something like that might do you. I basically went in the shop wanting to buy an electro acoustic Tanglewood. I didn't ask for a smaller guitar, but the sales guy was of the opinion that ladies prefer smaller bodied guitars and took it upon himself to dig out all the smaller bodied guitars for me. Thought it was a bit sexist to begin with but he was well intentioned and I actually *did* prefer playing them. Felt much more comfortable.