Fix phone number format to match what we actually send to partner.

api/api.go

diff --git a/api/api.go b/api/api.go
index be96742..0ae2130 100644
--- a/api/api.go
+++ b/api/api.go
@@ -46,7 +46,7 @@
 	userID    = "0"
 	firstName = "Jane"
 	lastName  = "Doe"
-	telephone = "+18007897890"
+	telephone = "+1 800-789-7890"
 	email     = "test@example.com"
 )