KLM Technical Lead - Java interview questions

The first stage is to send an IQ test. The test composed of aptitude tests within provided time. If you passed this, technical assessment needs to be solved. The assessment is a IT case which is fare calculation like assessment and you need to provide frontend and backend together. If you passed this, you are invented to interview. The interview was a skype communication. When I started to interview, the hiring manager is disappointed which I am entered. The connection was not so good and there is a little noise behind. But Hiring manager is not want to continue this and propose another time to make this interview. I accepted this and waiting another schedule. But after 2 days latter, they said they don't want to continue with me due to problems in the first interview. Actually I didn't make interview but this environmental problems are not acceptable for them. The reason which they provided is not professional.