Should i ask her out??and does this sound good?ladies what do u think??

ive known this girl for 8 months now and ive gotten to like her a lot but i havent been able to tell her how i feel about her.her name is steph and i went with her to prom and we had an amazing time together.i plan on asking her to go with me to chicago in a week and that day were going to spend it just together the whole day.right know i have for us planned to go out to the city at around 3 to get there around 4 and then we have dinner at some restaurant and then after were going to a cubs game that starts around 7 and then after that i plan on going to navy pier where they have the fireworks.when the fire works start is when i plan on asking her out.i plan asking her like this "steph the whole reason y i asked u to come here with me is for this moment right now.ive known u for so long and whenever im with u im with u im having a blast.even if were just driving im enjoying myself cause im with u.and im tired of being just friends steph i want to be more than that.will u be mine steph?Should i ask her out??and does this sound good?ladies what do u think??
Thats super cute. If she agreed to go with you to Chicago Im sure she likes you. Hope things work out between you two!!