Bad friend? She left me alone in the parking lot?

So, I have a new friend, and we've hung out about 4-5 times (we're both women). Today, we were at the mall, just talking about life and drinking coffee. She has a motorcycle, and I usually get around using Uber. I definitely didn't expect her to take me home. When I had a car, I used to give rides to my friends if they lived close. My house is closer than hers, and she could have dropped me off just 5 blocks away without deviating at all - she knows this.

When we were about to leave, she asked how I was getting home. I told her Uber. She then asked me to walk with her to the parking lot. The mall is very big, and going to the parking lot and then to the exit is quite far. I thought she might give me a ride since she told me to go with her, but she just said goodbye, got on her motorcycle, and left? Lol. I felt so dumb just standing there alone in the parking lot. She could've at least taken me to the exit.

I'm not sure if I should tell her that this bothered me or just ignore it. I would never do something like that to someone, so I feel bad. What should I tell her?

Bad friend? She left me alone in the parking lot?
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