Tibia NPC "message_walkaway" problem

Hi

can someone help me to fix this npc slow sending message? Like if i talk with npc i say hi he teleport me and i have to wait couple seconds to get this message

    <parameter key="message_walkaway" value="Let's go"/>

How can i make it send way faster like i say hi and i get instantly message. 

This is NPCHANDLER

https://pastebin.com/b4mdViZX