How much are customers willing to pay as a processing fee in order to
book a vacation (for example a package deal to Whistler/Blackcomb
Mountain, British Columbia)? Clients call in from our website in order
to speak to a travel agent who can book hotel, airfare, transfers, car
rental, activities, and tours (packages can range from $500-$15000
depending on length of stay, quality of hotel, etc.). We would like to
know whether the processing fee should a flat rate or a percentage of
the total package booked?

Greetings Jackd2:

The travel agency I recently used for a $250 RT airline ticket charges
a flat fee of $30 for each booking.  As a consumer, I prefer a flat
fee charge.

Best regards,
journalist-ga

PS  Regarding the various prices of trips, you might consider a
flat-rate scale such as:

$00 to $5000 - XX fee

$5001 to $10,000 - XX fee

$10,000+  - XX fee

Best regards,
journalist-ga