docs: def delete_booking(self, sessionid, booking_id):
          """ Deletes a Wharton GSR Booking for a given booking and session id. """
          url = "{}{}{}/".format(BASE_URL, "/delete/", booking_id)
          cookies = dict(sessionid=sessionid)
  
          try:
              resp = requests.get(url, cookies=cookies, headers={'Referer': '{}{}'.format(BASE_URL, "/reservations/")})
          except resp.exceptions.HTTPError as error:
              raise APIError("Server Error: {}".format(error))
  
          if resp.status_code == 404:
              raise APIError("Booking could not be found on server.")
  
          html = resp.content.decode("utf8")
          if "https://weblogin.pennkey.upenn.edu" in html:
              raise APIError("Wharton Auth Failed. Session ID is not valid.")
  
          resp.raise_for_status()
  
          soup = BeautifulSoup(html, "html5lib")
          middleware_token = soup.find("input", {'name': "csrfmiddlewaretoken"}).get('value')
  
          csrftoken = resp.cookies['csrftoken']
          cookies2 = {'sessionid': sessionid, 'csrftoken': csrftoken}
          headers = {'Referer': url}
          payload = {'csrfmiddlewaretoken': middleware_token}
  
          try:
              resp2 = requests.post(url, cookies=cookies2, data=payload, headers=headers)
          except resp2.exceptions.HTTPError as error:
              raise APIError("Server Error: {}".format(error))
  
          return {"success": True}