Flight & Reservation
FLT
Flight
AMT
Amount
ACK
Acknowledge(d)
ASAP
As Soon As Possible
AL
Airline
BKG
Booking
DIFF
Different/Difference
AUTH
Authorize
ESC
Escalate(d), Escalation
ASC
Airline Schedule Change
DOB
Date of birth
DUP
Duplicate
ADV
Advise(d)
FL
Foreign Languages
INF
Infant
FF
Frequent Flyer
FOC
Free of Charge
GOG
Gesture of goodwill
HF
Hacker Fare
OW
One Way
GDS
Global Distribution System
HW
Hyperwallet
IFM
Inform(ed)
IS
Interaction Search
MCT
Minimum Connecting Time