John Kennedy actually said...

"So, Mr. President, I salute you and I salute this country."

"I want you to know how appreciative we were to the people of this city, who were kind enough to line the streets and greet us, and through us, the people of my country."

"It is our responsibility, Mr. President, I believe, in the sixties, and the responsibilities of others in our sister republics in this great hemisphere, to recognize that there is also a necessity for..."

"So I compliment you and it makes me particularly proud to be an honorary citizen and guest of this celebrated city."