Anything wrong with the tool at the moment? The below is just not a very likely situation :-)
PS: I have tried it with various time options - it doesn't improve the situation.
[KVS Availability Tool 7.3.5/Diamond - Availability/FS/US]
Code:
LHR London Heathrow UK [EGLL]
JFK New York John F Kennedy Intl NY US [KJFK]
WED 30 Apr 2014
Carrier Flight From Depart To Arrive A/C St Availability
--------- ------ ---- -------- ---- -------- --- -- ---------------------------------------
No Matching Flights/Time Input Required