Regarding your query about changing the hotel email and phone number:

1. Go to General Settings
2. Open Website Contact Details
3. Update the website email and phone number

Reference:
https://webkul.chatwhizz.com/share/screenshot/69f9d80e4a167e06db684306

Regarding your query about updating the colors of the Amenities and Contact Us sections:

You can update the colors from the file directory.
You can either:

• list item Add custom inline CSS (Recommended), or

• list item Modify the global.css file (Not Recommended)

File Path: themes/single-page-theme/header.tpl

References:
https://webkul.chatwhizz.com/share/screenshot/69f9dab84a167e06db6852a6

https://webkul.chatwhizz.com/share/screenshot/69f9daefe3b20906d28f4581

Regarding updating the cart color:

File Path:
themes/single-page-theme/modules/blockcart/blockcart.tpl

Reference:
https://webkul.chatwhizz.com/share/screenshot/69f9db78e3b20906d28f4840

Regarding updating the Sign In color:

File Path:
themes/single-page-theme/modules/blockuserinfo/nav.tpl

Reference:
https://webkul.chatwhizz.com/share/screenshot/69f9dc06e3b20906d28f4bdb

Regarding your query about updating the hotel name:

1. Go to General Settings
2. Open Website Contact Details
3. Update the hotel name
   Reference:
   https://webkul.chatwhizz.com/share/screenshot/69f9dcd74a167e06db685cb5

Regarding updating the copyright text:

File Path:
themes/single-page-theme/modules/hotelreservationsystem/copyRight.tpl

Update the website launch year in this file.

Reference:
https://webkul.chatwhizz.com/share/screenshot/69f9ddf3e3b20906d28f5547