Was he trying to ask me out?

So this guy and I were talking about the band Smashing Pumpkins and he mentions how he might go see them in September but he wasn’t sure. At the time I was thinking ‘is he trying to ask me out? Or am I over thinking this? Should I say something? Because I’d like to go out with him but I should offer to pay for my own ticket just in case he’s not asking me out, right? But I don’t have money to go to an expensive concert right now’ and before I knew it my sister walked up and joined the conversation so I couldn’t say anything even if I wanted to. Was he trying to ask me out?

Was he trying to ask me out?
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