Kokito's family was joined by Sen.
McTavish's allegations came just four days after a 10-month-old French bulldog died on a United flight after a flight attendant urged the owner to store the pooch in an overhead bin.
Alcantara also unveiled new legislation to create a pet passenger bill of rights.
A flight attendant who fatally placed a dog in an overhead luggage bin did not hear a passenger's warning that there was an animal in the container, United Airlines said on Wednesday in a second round of apologizing for the incident.
The French bulldog was barking during the whole flight, according to multiple passenger accounts, but they did not discover that Kokito died until after the plane landed.
The dog's death has gained national attention and United Airlines immediately took responsibility. The flight rerouted to the dog's destination, delaying those onboard, because it was the "fastest route to reunite the dog with his family".More news: NCAA Men's Tournament: No. 2 Purdue heads to Sweet 16
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"We have learned that the customer did tell the flight attendant that there was a dog in the carrier".
"I'm an animal lover, and I know what traumatizes them". The airline mixed up two dog carriers in the cargo holds of two different flights.
The airline added that by April, it will begin issuing bright-colored bag tags to travelers flying with pets.
The dog was put on flight United Flight 3996 in error.
United has had the highest rate of pet deaths of any USA airline for the past three years.