Hi I want an Uber
What is your location?
I am at 1704 Washington St
where are you headed?
I am going to 63 Salem St # 1, Boston, MA
what car would you like?
I want an UberBlack
That is not available 
UberX then
Okay let me find a car for you
Thanks
Okay your ride will be there in fifteen minutes
okay
It will be a black Honda Civic
Gotcha
I have sent the info to your mobile device 
Thanks a lot
have a safe ride
Thanks
bye