Not a Baby

father:What are you going to do this evening, Jill?
jill:I'm going to meet some friends, Dad.
father:You mustn't come home late. You must be home at half past ten.
jill:I can't get home so early, Dad!
jill:Can I have the key to the front door, please?
father:No, you can't.
mother:Jill's eighteen years old, Tom. She's not a baby. Give her the key. She always comes home early.
father:Oh, all right!
father:Here you are. But you mustn't come home after a quarter past eleven. Do you hear?
jill:Yes, Dad.
jill:Thanks, Mum.
mother:That's all right. Goodbye. Enjoy yourself!
jill:We always enjoy ourselves, Mum. Bye-bye.