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 need you to call me a cab?

SOLUTION: RideSharing

PROBLEM: I want to book a bus journey for three people.

SOLUTION: Buses

PROBLEM: Can your find my round trip flights departing from Ciudad de Mexico?

SOLUTION:
Flights