Unless you provide more information in regards to what you mean by 'reservation', you are not going to receive an answer that will help you. Reservation can of course mean that somebody has a reason not to do something. However, in societal terms, a reservation may talk about how something is held back for the use of an individual. You could be talking about anything and hence there is no answer for you.
So what can you do to find out? You could try asking the question again and just writing a little bit more information. This will give the people who know the answer a chance to find the question to begin with, as well as allow other people to try and help you. Without this information then nobody can help you.
You could also just do a Google search. You could find out precisely what you need to do by typing all of the information and of course the correct context of 'reservation' and you may be able to find the answer that you're looking for. You will be provided with access to many websites when you do this search, and these websites will relate to the information that you have typed into the search engine. By clicking these websites you will be given access to all of the information that is available.
If you still can't find the answer, however, you need to think about other places you can go. Will any books be able to help you? Will any people be able to help you? If this is a question from academia then you need to try and find a person from your institution who will be able to help you with your answer. Get in touch with them and they should be more than happy to help you with your studies.
So what can you do to find out? You could try asking the question again and just writing a little bit more information. This will give the people who know the answer a chance to find the question to begin with, as well as allow other people to try and help you. Without this information then nobody can help you.
You could also just do a Google search. You could find out precisely what you need to do by typing all of the information and of course the correct context of 'reservation' and you may be able to find the answer that you're looking for. You will be provided with access to many websites when you do this search, and these websites will relate to the information that you have typed into the search engine. By clicking these websites you will be given access to all of the information that is available.
If you still can't find the answer, however, you need to think about other places you can go. Will any books be able to help you? Will any people be able to help you? If this is a question from academia then you need to try and find a person from your institution who will be able to help you with your answer. Get in touch with them and they should be more than happy to help you with your studies.