dialogue: Isabel: Hello, my name is Isabel, I have received your reservation. I'd like to confirm the details. Please send me a message whenever you are able to confirm your arrival.
  Christian: Hi Isabel, thank you for your message, please tell me what kind of information do you need
  Isabel: First of all, I need full names of all guests
  Isabel: And your passport of ID numbers. I mean the document you are travelling with
  Christian: No problem, I will send you photos of our passports this afternoon
  Isabel: Thank you. Full names and numbers will be enough for me, I don't think it's safe to send such dcuments by whatsapp
  Christian: I think you're right... OK, let me just ask my friends and I will let you know this afternoon. Is it ok?
  Isabel: Yes, of course. What time are you arriving in Madrid?
  Christian: 21:20 at barajas airport
  Isabel: Please let me know when you arrive. The best way to get to the apartment is to take the metro line 8 to the center, then change to line 10 at Nuevos Ministerios, and then line 1 at Tribunal. Your station is Antón Martin. You can call me if you need help.
  Christian: Thank you Isabel! How much time do we need to get to the apartment?
  Isabel: I think that about 30 minutes. 
  Christian: We will have to wait for the luggage and get to the station but I really hope we arrive to the center around 22:00...
  Isabel: No problem, I will be waiting for you with the keys, I live next door :)
  Isabel: Door 14
  Christian: That's great, I will text you when we are at Anton Martin
  Isabel: Please tell me how many towels do you need. I will prepare 4 towels in the apartment but you can tell me if you need more.
  Christian: Thank you, we will let you know
summary: Christian made a reservation with Isabel and he needs to send her passport details of the guests. Cristian arrives in Madrid at 21:20. It takes 30 minutes to go from the barajas airport to the apartment by metro. The end station is Antón Martin. Isabel lives next door, at number 14.