You can find examples of other virtual assistants at work on many websites in most business sectors. Examples can be found at:

National Rail Enquires: www.nationalrail.co.uk – Choose Ask Lisa
BT: bt.custhelp.com– Choose Ask Emma
BM Solutions: www.bmsolutions.co.uk – Choose Ask Red
'one' Railway: www.onerailway.com – Choose ask 'one'
Ikea: www.ikea.co.uk – Choose Ask Anna