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: I'd like to reserve a seat on a bus headed to Washington.

SOLUTION: Buses

PROBLEM: I need to go visit my family on short notice. Can you find a round trip flight for me that leaves on the 3rd and returns Thursday next week?

SOLUTION: Flights

PROBLEM: I need a cab, please.

SOLUTION:
RideSharing