Hello.
Hello, how can I help?
I am interested in going to view an apartment at Shady Apartments. 
Could you give me your name, please?
Yes, my name is Mark.
What day would you like to make the booking for?
I would have liked to go on Wednesday at 11 am, but I have a date that I've been looking forward to. It's a hot one.
When would you like the viewing to start?
Well, I can't remember if I paid the application fee, but I would really like to see this apartment because I have heard great things from the residents.
I have time slot available on Thursday at 3pm for you. Would that time work?
That should work and that would be a great thing to mention in conversation to my date. Shadyside is a brag-worthy apartment complex. 
I have booked that time slot for you! Please bring a proof of income and your passport with you. Good luck with your date!
I really appreciate your time and well wishes! I hope it goes well too, and now I have 2 things to really look forward to!
Thank you and goodbye.