A routine send-off. The origin is from the airlines, when the flight ended, and
stewardesses bade farewell to planeloads of passengers as they
filed out.
Passenger 1: "Enjoyed the flight."
Stewardess: "
Buh bye."
Passenger 2: "See you next trip."
Stewardess: "Buh bye."
Passenger 3: ""Bye now."
Stewardess: "Buh bye,
buh bye, buh bye, buh bye...."