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