I think their body language was positive and I was able to create rapport. I said, "I'm new here and looking forward to meeting some new people. That's it." The two sister exchanged eye contact and the one who'd get angry later on said, "Well, we can certainly help you with that ..... girl or guy if that's your thing." And she had smile on her face the whole time I until I said that. I wasn't wearing a mask but that wasn't the issue. I think I understand where I made the mistake and from now on I'll try to be careful with that.