She thinks I like another girl better? How should I respond to her text?

So Ive been talking to this girl Jacqueline and we went out once. We had a great time. There is another girl I have been talking to also that I mess around with once in awhile named Leanne. Im pretty sure Jacqueline is into me. So today I wanted to see if she was gf material. I texted her that I was hungry and to please bring me food to work. I said you would so be my favorite girl. Her response was ya rite Leanne is. How should i respond to her text? Btw I brought a lunch to work. This was just a test. Leanne is more of a party girl just a toy for me and has no interest in dating me. Jacqueline seems more like the type of girl to settle down with. I just need to be sure.