Dear Felix
It was a pleasure to speak with you the other day regarding [SITUATION OR MATTER, ex. how our Magna flux compressor can reduce your manufacturing costs by up to 30%]. I believe that we can accomplish much if you, [NAME], [NAME] and [NAME] meet for approximately [EXPECTED DURATION OF MEETING, ex. one hour] sometime this week. Our goal will be to [GOAL OF MEETING, ex. determine whether the Magna flux compressor can interface with your existing manufacturing equipment].
I am available on [DATES AND TIMES YOU ARE AVAILABLE, ex. June 11 to 15, any time before 4:30 PM]. When is most convenient for you and the others? Please contact me sometime tomorrow to confirm the date and time of our meeting.
I am looking forward to meeting with you soon.
Regards
Lydia