Hello, I am Anna Hill.
Hello, how could I assist you?
I am planning to attend my Business meeting with my clients, can you please help me to book a flight from IAH-IAD?
Sure, please mention your departure and arrival dates?
My journey dates are from 12/28 to 12/30.
Do you need any other requirements?
  Yes, I need a halt.
Please wait for a while, I will check and back to you.
Ok.
Sorry to inform, there is no flight found on your given information.
Ok, no issues.
Thank you for reaching us.