Dearsir/madam:
Thankyouforyourletterof.I’mgladthatyouarealsogoingtonextmonth.Itwouldbeagreatpleasuretomeetyouatthe.
OurcompanyishavingareceptionatontheeveningofandIwouldbeverypleasedifyoucouldattend.
Ilookforwardtohearingfromyousoon.
Yourssincerely,