answer: #Person1# and #Person2# think the air tickets booking service on a website is quick, accurate, and immediate. The website, therefore, attracts more customers.
documents: #Person1#: This website offers very convenient air tickets booking service. It is quick and accurate.
  #Person2#: Yes, I once booked there. They give the immediate confirm information and flight information to both your mobile phone and e-mail. You can conveniently pay by credit card, so the whole transaction only takes a couple of minutes. They also provide e-tickets, meaning you don't need to go to any office to pick an air ticket. You go to the airport directly and check in with your ID card.
  #Person1#: So it has attracted more and more customers these days.
  #Person2#: Yes, therefore they are expanding the scope of their service. For example, hotels can be booked through the same site as well.