Dear Sir,
Apropos, I am writing to request an appointment for myself and other constituents to meet with you to discuss [further] on the referenced matter [continue if you wish to add any relative issues]
I look forward to hearing from you regarding your availability to meet at earliest [You can also mention your desire dates]. Please confirm the earliest convenient date and share with us on [email id].
We look forward to receiving your esteemed support in this regard.
Sincerely,
For [Company Name]
[Your Name]
[Designation]
[Phone Numbers]