Spice Jet Airlines — late delivery & wrong information

I had booked a cargo service from patna airport with spicejet airline. They mentioned flight number sg8722 and mentioned a date of 25/08/2019, sunday, for the delivery on my invoice. The cargo was supposed to reach delhi by 5p. M and when i reached spicejet cargo office they told me that they have changed the flight to sg8481 as the flight for which my cargo was booked doesnt even operate on sunday. So they charged me 2, 171/- for the service that they did not provide but also provided me wrong information causing delay in the work for which