| caller_id | recipient_id | call_time | city | | --------- | ------------ | ------------------- | -------- | | 8 | 4 | 2021-08-24 22:46:07 | Houston | | 4 | 8 | 2021-08-24 22:57:13 | Houston | | 5 | 1 | 2021-08-11 21:28:44 | Houston | | 8 | 3 | 2021-08-17 22:04:15 | Houston | | 11 | 3 | 2021-08-17 13:07:00 | New York | | 8 | 11 | 2021-08-17 14:22:22 | New York |