query: The plane is half empty yet the ticket price has risen
positive_passages.docid: 14298
positive_passages.text: How do airlines determine ticket prices?
negative_passages.docid: 48900
negative_passages.text: Not flying the last segment of the first half of a return flight
negative_passages.docid: 76834
negative_passages.text: Fold a plane. then fold again
negative_passages.docid: 141064
negative_passages.text: Finding an old flight number
negative_passages.docid: 57813
negative_passages.text: Why did the machines not invest into clearing the skies?
negative_passages.docid: 124839
negative_passages.text: British Airways to Qatar airways : baggage transfer with separate tickets
negative_passages.docid: 84812
negative_passages.text: What is the limit of cabin baggage on Wizz Air flights?
negative_passages.docid: 145751
negative_passages.text: "NG NS" on ticket after airport security
negative_passages.docid: 151019
negative_passages.text: Why is public transport from/to the airport so expensive?
negative_passages.docid: 37288
negative_passages.text: Why do return flight costs vary depending on the country of origin?
negative_passages.docid: 11807
negative_passages.text: Chasing something that doesn't exist
negative_passages.docid: 49820
negative_passages.text: Airline fares - meaning of "plus fare difference" for refund
negative_passages.docid: 97336
negative_passages.text: Problem: Two Trains and a Fly
negative_passages.docid: 80957
negative_passages.text: Information on month old flights
negative_passages.docid: 74834
negative_passages.text: Why does the balloon pop?
negative_passages.docid: 26089
negative_passages.text: Can I buy a plane ticket from A-B-C but get on the plane at B?
negative_passages.docid: 41531
negative_passages.text: Bought a ticket with Finnair, didn't enter my middle name