At the supermarket

Employee: Are you ......... problems, madam?

Old lady: Yes. I wonder if you could ......... help me, young man.

Employee: Of course. In what .........?

Old lady: The fact is I just can't ......... that cereal packet on the top shelf.

Employee: No problem. ......... you are.

Old lady: There is just one other ......... you can help me with if you have a moment.

Employee: Just tell me and I'll ......... if I can help.

Old lady: All I want to know is ......... day today is.

Employee: It's Thursday of course. What do you want to know .........?

Old lady: Well you see this supermarket is so big I can't find the way ......... I've been here since Tuesday!