Our daughters (22 & 25) have decided to join us on our cruise. We are arriving in London several days prior to the cruise and doing some sightseeing. Our daughters are arriving one day prior to the cruise. We want to meet up with them and head over to our hotel in Dover the day they arrive (one day prior to the cruise). Hopefully we can drop our luggage off at the hotel (Best Western Plus in Dover) then head into Canterbury to see Dover castle. Our problem is where to meet up with them and w