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

Please find me 1 Economy extra bus ticket.
Buses

I need to go on a short trip. Can you help me book round trip flights?
Flights

Hey, I need to leave right now. Can you help me find a cab? It's for 4 people and I'm ok with sharing a ride.

RideSharing