急求中译英,不要机器,

Our company is planned for September 25 or 26,as a company to hold a one-day follow-up education seminars,and would like to invite you to come and speak on the theme is still a relevant accounting,attended by some 500 people,A woman will plan to attend this seminar.I want to confirm,if talks scheduled September 25 or 26,do you have time to Guangzhou.Looking forward to your reply as soon as possible.