Didn't understand Her

This morning I went to chick-fil-la to get some breakfast. After I ordered my chicken breakfast platter, the waitress asked me what I wanted to drink.

"Sweet tea." I tell her.

"How was London?" she responded.

I sit there, saying nothing. I would assume she was asking the employee who just walked past how was their trip to London.

The waitress then stared at me. I make an expression as if I was supposed to be saying something.

"Do you want Lemon?" she asked.

"OH!" I laughed, "Yes, please."