Gracias

Turista: Do you speak english?
Português: Yes!
Turista: Can you tell me how much time the way from Lisbon to Sintra?
Português:  I'm not sure  ... it's probably 30/40 minutes by train
Turista: That's great! By the way, can you tell me how to pronounce Sintra?
Português: It's something like...SIN . TRAH 
Turista: Ohhh, gracias! 

De rien little bastard