You are given a sentence from a conversation between a human and a virtual assistant. Your task is to classify the sentence into one of the following five action categories - INFORM, INFORM_INTENT, OFFER, REQUEST, REQUEST_ALTS. If the sentence is about informing something, generate 'INFORM'. If it is about requesting something, generate 'REQUEST'. If the sentence mentions requesting an alternative option than the one provided, generate 'REQUEST_ALTS'. Similarly, generate 'OFFER' if the sentence is offering some information. If the sentence is about showing intent to do something, generate 'INFORM_INTENT'.

[Q]: I've booked your tickets. The address is Brisbane, California 94005, United States.
[A]: INFORM


[Q]: How many you want?
[A]: REQUEST


[Q]: Star City Music Festival appears to be going on at Brisbane Community Park 6 days. The next date is next Monday.
[A]:
OFFER