Le Travenues Technology — payment was successful. but train ticket was not booked

I made a transaction to "le travenues technology" "[protected]@axisbank" and entered irctc login id and chose paytm upi transaction for payment but ticket was not booked. But in upi statement its showing "transaction was successful". Debited amount - 1666/-, date and time :18 jan 2020, 10:26am and the transaction upi reference number:[protected]. Irctc password to complete the booking. So please refund the full amount of rs 1666/-on upi id: [protected]@paytm
My email id:[protected]@gmail.com