Help me think of an English conversation between a receptionist and a customer (hotel management)

Bill: I have an appointment with Mr Smith. I have an appointment with Smith's administration. Receptionist: Thank you, Mr. Duff. If you have a seat, I'll let him know that you are here. Please sit down. I'll inform Mr. Smith that you have come. Receptionist: Good morning! How can I help you? Good morning! Who do you want to speak to? Bill: I have an appointment with Mr. Smith. I have an appointment with Smith's administration. Receptionist: May I have your name? Your name, please? Bill: Bill Duff. Receptionist: Thank you, Mr. Duff. If you have a seat, I'll let him know that you are here. Thank you, Mr. Duff. Please sit down. I'll inform Mr. Smith that you have come. Bill: Thank you. Thank you.