Webex Bot: Book available room #218

Feature: PlaceOS Webex Teams Bot
As a user, when I invite an external visitor I want to be notified of their arrival via the Webex Bot.
As a user, when I receive notification my visitor has arrived, I want to let them know I am coming.
As a user, I want to ask the Webex Bot to find me an available meeting room and book it.
As a user, I want to ask the Webex bot to find me an available desk and book it.

Background:
Given the organisation has installed the PlaceOS Webex Bot Application.
Given the organisation has added the Webex Bot API key to the PlaceOS Driver.
Given the user is signed in and actively using Webex Teams.

Scenario: Book available room
When I click on the PlaceOS Webex Teams Bot.
Then I ask the bot to find a room.
And I provide the bot my preferred location.
Then the bot will use PlaceOS to identify an available room.
Then I can select my preferred room from the list.
Then the bot will book the room.