Hi, I am looking for a guesthouse that includes free parking.  Do you have anything available?
How about the Acorn Guest House in the north side of town?
That sounds great! 
Would you like me to book a room for you?
I will need the reference number please.
Absolutely! When would you like to visit? 
Friday. There will be 5 people in my party, and I'll need a reservation for 5 nights.
Perfect, I was able to book the hotel for you. The reference number is 2FD2JYN8.
That is all  I needed, thank you.
Enjoy your stay.  Bye.