I am trying to book 5 nights stay in June at category 5 property that requires 25000 points per night. I have only 75000 points available that will cover the first 3 nights. I also have annual Chase Free night certificate coming up in a month. Can I book this reservation now (with option "I will order e-certificate(s) upon earning the required points") and then call once I get the certificate to attach it to the 4th night and still get 5th night free?