Dear Khun Suwichai,
I call your manager to joint our meeting today 14:00pm. So, We already make meeting with our commercain team with your team which need to know solution & have some question to ask you.
While you replied us after working hour which unable to cancel meeting. Pls consider again.
P.S. : If you unable to joint today meeting & Thursday & Friday. Have you avaialbe time to join meeting. Pls advise.