Yes this was intentional
[With the appropriate lights and sounds a blue policebox has appeared. And exiting from it would be the Doctor, alone.]
Here we are, Silverlake City, a fantastic little town. What do you think, Amy? ...Amy? .....Amelia?
[After checking the TARDIS to ensure there's nothing that could've went wrong and that she's not in there, and with an exasperated sigh, he goes back outside and locks the time machine up. Congrats, you now have a confused Time Lord walking around.]
Here we are, Silverlake City, a fantastic little town. What do you think, Amy? ...Amy? .....Amelia?
[After checking the TARDIS to ensure there's nothing that could've went wrong and that she's not in there, and with an exasperated sigh, he goes back outside and locks the time machine up. Congrats, you now have a confused Time Lord walking around.]