Simply replace the unfilled areas such as "" and "[date]" with your information.
Dear [Hiring Manager],
I was referred to you by [Name] of the [Company] company. [He/She] recommended you as someone who could provide outstanding information on the [industry] industry. My goal is to obtain an entry-level position in [industry] where I can learn practical knowledge of the fundamentals to support a long-term career.
I would appreciate a chance to hear your advice on the career opportunities in the industry, how to conduct an effective job search, and how to identify the best leads. Thank you, in advance, for any insight you might be willing to share with me.
I will contact you next week to see if we might set up a time to speak. Thank you for your consideration.