Dear Felix
I am looking forward to our meeting on [DATE, ex. June 5, 1998] at [TIME, ex. 3:00 PM]. May I request that my colleague, [NAME, ex. Bill Williams], attend? [NAME, ex. Bill] is our [STATE POSITION, ex. engineer]. [He / She] will be able to [IDENTIFY HOW COLLEAGUE CAN BENEFIT THE GOAL OF THE MEETING, ex. explain how our Magna flux compressor can interface with your existing equipment]. Accordingly, I am sure that [his / her] attendance will prove beneficial.
Please contact me if there are any problems.
Regards
Lydia