Assistant not reading toolCall result

I receive a toolCallResult but Vapi doesn't read it out and ust ends the call due to timeout:

I have this included in the system prompt so it should read it:

  1. Trigger checkAvailability with details.
    <Wait for the tool's response>
    • Inform the user of the result of the 'checkAvailability' tool.
Please help this is kinda urgent
Screenshot_2025-08-14_at_00.21.52.png
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