Can i get 1 month previous my phone conversation from airtel network

Hai respected , My name is Irudayaraj.E my mobile number [deleted] WAYSCOOP the above mention company frequently call and request me buy their product combo. (the combo have 1puma shoe, 2shockes 1hair massager,1chapal with one special gift dell laptop ) price is 3999 first i refuse to buy their combo (because i am doubt againt them) but they told me that"buy our product for our company promotion"and promised me they will give me como with labtop i payment them through online Rs 3999, still not received combo ,,only send a smart watch as a gift . they are not properly respond me on my phone call, now they refuse to give the promised gift ,,and they also told we were not promised u what proof u have ? can i get 1 month previous my phone conversation from airtel network???pls help me ??????? note: when i was speak one representative of Wayscoop in my phone ,same time i heared their another representative promise another customer to combo with spl gift .......... i am very shocked so pls help me to refund my amount,,,,,,also protect customers whose are trapped their network