Travel agency seeks travel agency software with linked website

I am looking for travel agency software and a suitable website for my specialized travel agency, which are linked to each other. I only arrange accommodation, no flights or train journeys.

I have the following requirements for the software:

• Creation of
• offers
• invoices
• cancellations
• vouchers
• owner billing
• Property management with
• individually stored pricing
• Individual seasons
• Calculation of commissions and margins
• Search by individual criteria
• Accounting interface
• Properties and prices should be centrally managed
• It should be possible to send inquiries about specific properties and dates via the website
• Windows compatible
• Fixed price desired - no monthly billing

One software workstation is required.