i took him for a clergyman.
"[mumble mumble] sunday service"
...?...
"i'm a scheduling manager for this bus route. we're running a sunday service today. there won't be one for another hour. I'll give you a lift."
He spoke of timetables.
"we have a little route called the Seven Seas"
...?...
"The 7C. It services the Kidlington Sainsbury's"