Custom Rates Calendar WPF

Hello folks, I have a big project and I need a new module in WPF MVVM.
I need a calendar which display allways 2 months <- back and forward -> for the hotel rates.
Please follow exactly the layout and functionality of bellow calendar:

https://www.conservatoriumhotel.com/rooms/Van-Baerle-Suite#/booking/step-1?room=VBSU&arrive=07%2F30%2F2021&depart=07%2F31%2F2021

1) Please add a drop down list and
display to calendar the selected rate values:

Rate: 200 USD , 1 January 2020 - 27 May 2021
Rate: 100 USD , 4 May 2020 - 1 March 2021
Rate: 250 USD , 1 July 2020 - 27 August 2021
Rate: 500 USD , 1 December 2020 - 28 December 2021
Rate: 50 USD , 1 January 2022 - 3 May 2022
Rate: 50 USD , 10 January 2019 - 20 May 2019
Rate: 40 USD , 1 January 2017 - 27 May 2022

Can somebody help me out ??