Listen to the dialog while reading the text.
When is your birthday?
My birthday is on the 15th of August.
Would you like to come to my birthday party?
I would love to. When is your party?
What are you doing on your birthday?
All my friends and family are invited to go to the local park with me for a BBQ.
Who did you invite to your birthday party?
Just my close family and my best friend.