Airtime and Data disappear

Airtime and Data that we bought out of bundle disappear in the air - everytime Did not kept proof everytime, but this time we monitored it every day Vouchers 5 ********** 5 ********** + 8 ********** 5 ********** +7 ********** 2 ********** - the last one I lost ********** 429 and ********** 566 We pensionars and need to turn our cents, no shame *****ing from so many customers