English Conversations: Which bus shoud I take?

* Excuse me Sir, which bus should I take to get to East Finchley?
- Bus number 29.
* Is it direct.
- No you have to change.You get off at Wood Green and take bus number 134.
* When does the bus leave?
- Well, it's usually a bus every ten minutes at this time of day.    
ONBOARD THE BUS  
 * Is this the bus to wood Green?
- Yes, it is.
* Could you tell me when I need to get off,please?
- Yes, of course.