<human>: Can you succinctly summarize the text in 1-3 sentences?

I met him at work.  He's in his residency and works 12 hours a day, 5 days a week.  He kind of pursued me first.  He would initiate the flirting.  Then he gave me his number (didn't ask for mine).  I texted him, and he was terrible at responding to text messages.  In all, I tried three times to set something up, but he would just drop the ball.  After a week, I got fed up and told him to call me if he wanted to hang out, but that I wasn't going to try anymore.

He called me two days later, and we went out.  We had a great time.  He said on the date that he wanted to see me more often, and we even stayed up late into the night texting each other after the date.

He didn't text me for four days.  I texted him, and we ended up texting for an hour and a half.  I asked him if he wanted to hang out again this past weekend.  He said he had three Thanksgiving dinners and would be out of town from Friday to Sunday.  We agreed to hang out this coming Saturday after my twelve hour shift at work.  

I'm pretty inexperienced at this.  I don't know if I'm reading too much into everything and he's interested but busy with work.  At the same time, part of me thinks he's just stringing me along for some reason.  Another part of me wants to tell him that he needs to participate more.  We haven't talked or texted in like four days, and I'm hoping that he'll just break down and text me if I hold out long enough, but... I'm afraid he'll forget that we made plans for Saturday, or even forget that i exist.  What do I do?
<bot>: inexperienced girl doesn't know if older guy is really busy or just not interested, and doesn't know what to do about it.