You may need to talk to stranger or people you do not know when you go to some place. Here are some sentences that can help you cope with talking in Kannada.
What is your name?
Nimma Hesaru Ennu? (For elders)
Nin Hesaru Ennu (For those younger to you)
Where is your house?
Nimma Manne Yelli
Where are you from (native)?
Nimma Uro Yavadu.
Can you tell me this address?
Ee Address yell barathe helthira
Can you tell me where this place is?
Ee jaaga yell barathe
Can you tell me whether Mr. XYZ lives here?
XYZ ravara manne yell barathe
Did you have breakfast?
Did you have lunch/ dinner?
Did you have tea/ coffee?