Geroge:Hi!I seem to have met you somewhere.Im George.
Mary:Really?Im Mary.
Geroge:You look very familiar.I think I met you before.
Mary:Maybe !Nice to meet you,
Geroge.Nice to meet you too.Oh!Here's the 2nd floor,my classroom.You're welcome to visit my classroom any time,
Geroge:Thank you.Have a great day.Bye!
Mary:Bye!