Task-oriented dialogue about: taxi

I need a taxi to take me to Museum of Classical Archaeology to leave after 15:15.
Sure! What time do you want to arrive by?
16 00 thank you
I'd be happy to help! Where are you coming from?
Sorry, it actually does not matter when I arrive. I just want to leave after 15:15. And I'll be coming from la tasca.
I've booked a taxi for you. Here is the information: Booked car type : white volkswagen Contact number : 07702911912