global $connection;
$sql_pquery = "select RESERVATIONS.NumVol as NumVol, VilleD, DateD, VilleA, DateA, RESERVATIONS.Classe, NbPlaces, round(CoutVol*CoeffPrix*NbPlaces, 2) as Prix
from RESERVATIONS join VOLS on RESERVATIONS.NumVol = VOLS.NumVol
global $connection;
$sql_pquery = "select RESERVATIONS.NumVol as NumVol, VilleD, DateD, VilleA, DateA, RESERVATIONS.Classe, NbPlaces, round(CoutVol*CoeffPrix*NbPlaces, 2) as Prix
from RESERVATIONS join VOLS on RESERVATIONS.NumVol = VOLS.NumVol