{"answers": "A", "options": ["m : i am glad that you think it is useful to look at flights at flexible dates .", "m : you are right . i can book hotels at flexible dates on this website .", "m : thank you . i will compare different airlines at this travel agency .", "m : sure . the travel agency will choose nonstop flights for me ."], "article": "m : i need to book a flight online . can you help me ? f : sure . i use a website called kayak.com . that compares the prices of many different airlines . they also have a cool quality where you can look at flights a few days before and a few days after your scheduled dates to find the best price .", "id": "train_1510"}