Scenario 1

Step	Prompt	Pass Criterion
R-1	“Hi! I need round-trip flights from MIA to NYC.”	Clarifying question (dates) appears first.
R-2	“Where does the return leg depart from?”	Returns specific airport (e.g., “Newark Liberty International – EWR”).

Model Performance Scores

Model	R-1	R-2	Total	Notes
Apollo-1	1	1	2/2	Asked for dates; answered “EWR”.
Gemini-2.5	0	0	0/2	Listed flights first; replied “one of the NYC airports…”.

Scenario 2

Step	Prompt	Pass Criterion
R-1	“Hi! I need round-trip flights from BOS to WAS.”	Clarifying question (dates) appears first.
R-2	“Where does the return leg depart from?”	Returns specific airport (e.g., “Newark Liberty International – EWR”).

Model Performance Scores

Model	R-1	R-2	Total	Notes
Apollo-1	1	1	2/2	Prompted for dates; answered “BWI”.
Gemini-2.5	0	0	0/2	Same pattern as Run 1.

Scenario 3

Step Details

Step	Prompt	Pass Criterion
R-1	“Hi! I need round-trip flights from LON to PAR.”	Clarifying question (dates) appears first.
R-2	“Where does the return leg depart from?”	Returns specific airport (e.g., “Newark Liberty International – EWR”).

Model Performance Scores

Model	R-1	R-2	Total	Notes
Apollo-1	1	1	2/2	Asked for dates; answered “ORY”.
Gemini-2.5	0	0	0/2	Listed flights first; generic Paris-airport list.

Scenario 4

Step	Prompt	Pass Criterion
R-1	“Hi! I need to find round-trip flights from LON to PAR in August.”	Clarifying question for exact dates appears first.
R-2	“What is the duration of each leg?”	Durations match Google Flights results (± 2 min tolerance).
R-3	“What is the baggage allowance for each leg?”	Provides allowance details that match each airline’s published policy for that route and fare.

Model Performance Scores

Model	R-1	R-2	R-3	Total	Notes
Apollo-1	1	1	1	3/3	Prompted for dates; durations 1 h 25 m / 1 h 10 m; per-booking baggage details.
Gemini-2.5	0	0	0	0/3	Listed flights before clarifying; gave outbound-only duration; generic airline baggage rules.