There are a number of reasons for declining reservation requests, as a live in host I have a life as well as being a host, sometimes I have an engagement e.g. for theatre in the evening, and therefore cannot check in a guest that evening, it is my home so I do not want a co-host. I do not want to mark that date as unavailable as a guest arriving in the afternoon is fine. If ai have a reservation request but have to decline as guest wants to arrive when I will be out I am penalised for refusing, need some way of being able to state arrival not possible between x and y hours on z date.