Thank you very much for your email and I appreciate the opportunity of having an interview with your company.
After carefully checking my schedule, I regret to inform you that I will be full with meetings during the proposed dates and times. On tomorrow, the last meeting will be finished around 1600 - 1630 hrs which I can make it after 1700 hrs. While I will be stuck by the owner meeting through Wednesday morning that will allow me only in the afternoon for the interview.
I do apologize for this convenience that this may have caused you. For your perusal and further advice.