Task-oriented dialogue about: hotel

I am looking for a place to stay. The hotel should have a star of 0 and should be in the type of hotel
I found the cityroomz hotel in the centre part of town. Would you like to book a room?
The hotel should include free wifi and doesn't need to have free parking.
Cityroomz has free wifi and does not offer free parking. Do you want me to book it for you?
yes.book for six people and six nights. remember to also give me the reference number
What day would you like the reservation to start?
it needs to start on wednesday, please.
Sorry, I was unable to complete the booking. Would you like to try booking for a shorter stay or for another day?
How about for 5 nights?
your booking was successful. is there anything else i can help you with?
Actually I need the reservation to be for 4 nights, 6 people, starting from wednesday. Could you change the reservation for me please?
No problem, I was able to book that for you and your reference number is VA5JADCK . Is there anything else I can do for you?
I think that is everything, thanks!
You're welcome. Have a pleasant stay. Goodbye.