Trip Search By Start City is intended for those who know in which city they want to start
REQUIRED:
You must select a Starting City
You must select either a Number of Cities or Number of Days (or both). The number of days must be greater than the number of cities if both are chosen
You must select an Earliest Start Date. All trips chosen will start on or after this date
OPTIONAL:
End City - The city in which the trip ends. This must be different from the Start City
Latest Start Date - This can be used with Earliest Start Date to narrow down trips to a given period. All trips chosen will start on or before this date