Instead of writing and re-writing the same answer over and over, why not make things easier and create a quick response for your agents to apply to any email, chat or messenger conversation? 

To learn more about creating Quick Responses you can view this article

Adding a quick response to the conversation is really easy. You can apply these to a conversation in two ways:

1) Select the lightening icon when responding to customers

Click the Quick Response button to insert it in the reply.

2.) Type ‘=‘ into the conversation for a list of quick responses to appear. From here you can either scroll through the list of responses available, or start typing the name of the quick response.  

Write =template name to search for a quick response to insert.

The Quick Response template has been inserted.