How To Write A Letter Of Request For Services . I want to request a personal meeting with you so that i can give you a better idea about our [product/service] in detail and understand your requirements too. To conclude the mail, ask about the date when you can meet him or. 101+ Sample Request Letters Writing Letters Formats & Examples from www.sampleletterword.com Here are examples of an unsolicited service proposal letter. Use polite language and a professional tone. The letter should address the recipient properly and clearly.