Management, sales and customer service assistant

We are looking for a Management Assistant that will also be in charge of receiving sales calls and provide customer service in a one year old, fast growing, Travel Operator. The position is in Peru (Though candidates from other countries that can work online and using cloud systems are welcomed) and our products are expedition travel to remote destinations (Africa, Asia, Asia pacific). The most important tasks will be related to customer service and sales but you would also be required to do travel research, budgeting, schedule management, among others.
English must be perfect. Must be able to learn CRM and Booking systems based in the SOHO platform.