Terrible work with blonde

good day, I've been at the table bay branch since 11am this morning and finished at 5pm. when I got there, I realized the process started was different to what I had requested (a tint instead of highlights) I asked the lady what she was doing and what she explained to me seemed part of the process. I rectified the situation which ended up costing me more than I was quoted (not happy at all about this). after she dried my hair and paying 1200 I left with orange-like roots and my ends were darker than they were before. I cannot express to you how unhappy I am, I am in a wedding next week and you can imagine how embarrassing this is going to be?! also it was a half head of highlights. my hair is darker than what it was before I went in and roots are orange. I have noticed you do not comment of your reviews so I will post this on every platform until I get a response