Lyndon Johnson actually said...

"The Prime Minister will be leaving very shortly and I expect to stay here until Monday--unless Mrs. Johnson changes my mind."

"Please accept my deep and sincere thanks for your recent letter commending those brave members of the 142nd Ordnance Detachment (Explosives Disposal) who recently came to your assistance in a time of ..."

"The Prime Minister was in Pennsylvania and I was going to be here and I asked him to come over and have lunch with me."

"I may have two or three announcements for you a little later regarding my schedule next week and regarding some appointments perhaps, but I'll still be working on them and by the time you get back to ..."