A：Hello.
B：Hello.May I speak to Mark,please?
A：Sure,just a minute.Mark,you're wanted on the phone.
B：Hello,this is Mark speaking.
A：Hi! This is Jill.How come you didn't come in today?
B：Oh,we had a birthday party for David last night. As a matter of fact I woke up with a terrible hangover.
A：That's too bad.You'll have to be more careful nest time.
B：Anything new at the office?
A：No, nothing special.Oh, yes,you know Bill,The guy with the moustache.His wife had a baby girl last night and he passed out cigars to everyone today,He said his wife and daughter are doing fine.The baby is their first child.
B：That's wonderful!We've got to celebrate!
A：Yes, we have to.Do you think you can make it tomorrow?
B：Sure.I ought to be ready for some more drinks by then.Thank you for calling.
A：You're welcome.Bye.
