If the delay had been shorter they might not have exchanged names.
In the chaos, they were able to exchange only first names.
I laughed and we walked down the hall together, exchanging names.
They exchanged names and kept in loose contact for several years thereafter.
We exchanged names; and they asked us many questions about the outside world, as though they had been prisoners for years.
She was too far away to speak before Jay realised they hadn't even exchanged names.
We exchanged names and after I introduced myself to her parents, she was allowed to baby-sit for my children.
For the time being and to every stranger, you two will exchange names.
I was ushered into the manager's office and we exchanged names.
He suggested to his younger brother Bill that they should exchange names.