7-Eleven review: Coupon did not honor

we went to this store#17486 and this manager name decline our service about honoring our manufactures coupon for free coupon small coffe and the manager name Inderjit Kaur and her partner name is Print j, they both was very rude and unprofessional while they answer the question to us a s a customer, they are not very nice, they shoudn't have thier franchise if they dont know how to serve any customer that may arise in this crisis of matter that they dont know how to deal with any issue inside the store and they should be examine and they need to go on training, they had bad customer service