Fix grammatical mistakes in this sentence: Dear Sally: I are only writing this email to tells you under I can't meet you upon Tuesday on I has to study very hard, plus you knowing I almost finish my career and I have to do lot of things so I don't have enought time, but If you want next week we can go out for a dinner, a friend of mine recommended me an Italian restaurants in the city centres and He told me that It serves excellent desserts plus you liked.
Dear Sally, I'm writing this email to tell you that I can't meet you on Tuesday because I have to study very hard, as you know I have almost finished my course, and I have to do lots of things so I don't have enough time, but if you want, next week we can go out for dinner, a friend of mine recommended an Italian restaurant to me in the city centre and he told me that it serves excellent desserts, which you like.