The moment you have realised that you forgot to respond, you ought to just go ahead and send in your acceptance. A sample letter offering a job contingent upon the results of a background check or other criteria.An offer letter generally isn't binding so that doesn't really mean anything more than an email or phone call. An example phrase to use would be "Hello. Don't know how to respond to a job offer? Here's what to say when you're accepting a job offer, declining, or negotiating it—with examples. In this video I'll share with you what to consider before accepting a job offer and how to write an email to accept that job offer. Enter the date of the Offer Letter. Then enter the name and address of the potential employee who is being offered the position. An offer letter is a document that holds the terms of employment for a new hire.