Receptionist: Grand Hotel. Good morning. Can I help you?
John: Yes. Is Mr Jones there, please?
Receptionist: Mr Jones? No, he isn't here. I think he's at London Airport.
Receptionist: Good morning.
Sam: Good morning. Can you help me? Is Miss Brown here – at the hotel?
Receptionist: Miss Brown? Yes, she's here. Room 301.
Where's (where is):
I think he's at
Is he there?
Is Mr Jones there, please?
Yes, he's here.
No, he isn't here.
Visitor: Is Miss Brown in, please?
Receptionist: I don't know, madam. Just a moment, please. I'm sorry. She isn't in her room.
Visitor: Thank you.
Visitor: Is Mr Black in the hotel?
Receptionist: No. He's not in his room.
Visitor: Where is he?
Receptionist: I don't know. Oh, yes, he's gone to the cinema. Yes, he's at the cinema.
Is Miss Brown in?
Is Miss Brown in, please?
Is Mr Black in the hotel?
She isn't (is not) in her room.
He's not (is not) in his room.
She's not = She isn't
At / Gone to
Francis: Bob, where are you?
Francis: Where in London?
Bob: I'm in South Street. Then at Victoria Station.
Bob: Then, at the Tower of London, then at Buckingham Palace, then at London Airport.
Francis: Then where?
at work, at school, at home, at the cinema, at the theatre, at his girlfriend's,
at a party, at a meeting, at a friend's
He's at his girlfriend's.
(at the house of his girlfriend)
He's at a friend's.
(at the house of a friend)