Андрей

import vk_api
from vk_api.bot_longpoll import VkBotLongPoll, VkBotEventType
from vk_api.utils import get_random_id

vk_session = vk_api.VkApi(token=TOKEN)
longpoll = VkBotLongPoll(vk_session, VKGroupID)
vk = vk_session.get_api()

status = {'stat' : 0}

def main():

for event in longpoll.listen():
    if event.type == VkEventType.MESSAGE_NEW and event.text :

        if event.text == 'Вики' and not status['stat']:  
            if event.from_user: 
                vk.messages.send(
                    peer_id=event.obj.from_id,
                    message='Введите запрос',
                    random_id=get_random_id()
                )
            if event.from_chat:
                vk.messages.send(
                   peer_id=event.obj.peer_id,
                    message='Введите запрос',
                    random_id=get_random_id()
                )
            status['stat'] = 1
        elif status['stat']:
          status['stat'] = 0# тут все действия с поиском

for event in longpoll.listen():
    if event.type == VkBotEventType.MESSAGE_NEW and event.object.text.lower() == 'привет':
        peerID = event.object.peer_id
        send('Привет')