Hello.
Hello, how can I aid you today?
I am Barbara Parker. I am planning to book a ticket from IAH to IAD. Can you please help me out?
Sure, let me know your preferred journey dates.
I am planning to travel on Sept 30 and return back on Oct 02.
Ok, Do you have any connection limit?
Yes, I am looking for a connecting flight.
Is there any class preference?
No, I am ok with any class.
Sure, may I know your depart and arrival timings?
My depart time should be  afternoon.
Thanks for your time, please wait for a while.
Sure.
I apologie to say this, there are no flights which can travels to your region as per your requirements.
That's fine, thank you for your service.
Thank you for reaching us.