Review Dispatchers not friendly and accommodating

We book ahead of time so we leave and reach our destination early, but all the dispatchers and those men working here are not accommodating and friendly they're even more angry when we ask. It's not even our fault why their bus are delay. They've been with this business for a long time already but still there's no improvement on the process. We've been waiting for like 2 hours and counting, but they can't even provide us answer or update. This is unacceptable, we allotted time for this and they should also do the same. If someone can help me or provide me information where we can complain regarding this matter it would be a big thanks. Looking forward to your response.