Dear …
Thank you so much for taking the time to respond to the mailer __(I/we)__ sent to you __(last week/on date/etc.)__. __(I am/We are)__ delighted to have heard from you. The information package you requested is currently being assembled and will be sent to you very soon. Please keep an eye out for this package from __(us/me)__, which should be arriving in your mailbox within the next few days.
__(I/We)__ just wanted to take this opportunity to send you a quick note of thanks for your response. It is __(my/our)__ belief that being able to provide __ (type of products/services) __ to __(my/our)__ customers is a privilege, not a job. Each single customer is very important to __(me/us)__ and __(I/we)__ strive very hard to give the very best in service and expertise. Treating customers with kindness and respect, is just how __(I/we)__ like to do business here. If that’s what you are looking for in a __ (type service or product representative/financial advisor/etc.)__, then you have definitely found the right __(person/company/etc.)__. __(I/We)__ look forward to the potential of becoming your __ (type service provider/type product supplier/financial advisor/etc.)__, __(Name)__. As mentioned, your information package should be arriving very soon, but in the meantime, please feel free to contact me at __(phone #)__ if __(I/we)__ can be of assistance to you.
Sincerely,