TASK DEFINITION: You are given a sentence from a conversation between a human and a virtual assistant. Your task is to identify which one of following five services the sentence is related to - Media, Travel, Flights, Buses, RideSharing
PROBLEM: Will you please help call a cab for me?

SOLUTION: RideSharing

PROBLEM: Can you get me a cab that goes to 15501 San Pablo Ave?

SOLUTION: RideSharing

PROBLEM: search round trips

SOLUTION:
Flights