async submit() {
    this.topic = await this.topicDataService.giveTopic();
    if (this.topic !== undefined) {
      try {
        const response = await axios.post('https://api.openai.com/v1/chat/completions', {
          messages: [
            {
              "role": "system",
              "content": "Give me a question to start a conversation about " + this.topic + ".It must be easy to understand, simple language and short. But not the first thing that comes to mind."
            }
          ],
          max_tokens: 70,
          model: "gpt-3.5-turbo"
        }, {
          headers: {
            'Content-Type': 'application/json',
            'Authorization': 'Bearer hier-steht-ein-geheimer-API-key'
          }
        });
        this.chatResponse = response.data.choices[0].message.content;
        console.log(this.chatResponse);
        this.textToVoice();
      } catch (error) {
        console.error('Fehler bei Chat API Anfrage', error);
      }
    } else {
      alert('No more topics');
      this.stopConnection();
    }
  }