Oracle 18c

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CREATE TABLE t (
  dt DATE, name VARCHAR2(30 ), start_loc VARCHAR2(5), 
  end_loc VARCHAR2(5), fare NUMBER);

INSERT INTO t
    SELECT TIMESTAMP '2019-11-01 08:17:42', 'Jane',  'A', 'B', 10 FROM DUAL UNION ALL
    SELECT TIMESTAMP '2019-11-01 08:18:02', 'Mary',  'C', 'A', 7 FROM DUAL UNION ALL
    SELECT TIMESTAMP '2019-11-01 08:18:04', 'Tom',   'B', 'D', 12 FROM DUAL UNION ALL
    SELECT TIMESTAMP '2019-11-01 08:20:11', 'Harry', 'E', 'C', 20 FROM DUAL UNION ALL
    SELECT TIMESTAMP '2019-11-01 08:21:22', 'Alex',  'D', 'A',  5 FROM DUAL UNION ALL
    SELECT TIMESTAMP '2019-11-01 08:24:30', 'Sally', 'C', 'B',  8  FROM DUAL
6 rows affected

select *
from t


DT
NAME
START_LOC
END_LOC
FARE


01-NOV-19
Jane
A
B
10

01-NOV-19
Mary
C
A
7

01-NOV-19
Tom
B
D
12

01-NOV-19
Harry
E
C
20

01-NOV-19
Alex
D
A
5

01-NOV-19
Sally
C
B
8


select t.*
from t
where not exists (select 1
                  from t t2
                  where t2.end_loc = t.start_loc and
                        t2.dt < t.dt and
                        t2.dt >= t.dt - interval '5' minute
                 )


DT
NAME
START_LOC
END_LOC
FARE


01-NOV-19
Mary
C
A
7

01-NOV-19
Jane
A
B
10

01-NOV-19
Harry
E
C
20

DT	NAME	START_LOC	END_LOC	FARE
01-NOV-19	Jane	A	B	10
01-NOV-19	Mary	C	A	7
01-NOV-19	Tom	B	D	12
01-NOV-19	Harry	E	C	20
01-NOV-19	Alex	D	A	5
01-NOV-19	Sally	C	B	8