Hello.
Hello, how can I help you today?
Can you please help me in booking the flight ticket from IAD to IAH?
Sure, can you please share your journey dates that you prefer to travel?
My travel dates are May 4 and May 6.
Do you have any connection limit?
I need a direct flight.
 Would you let us know if you have any other preferences?
No.
Please share your name.
Nicholas Smith.
Sorry to say, no flights found with your requirement.
Ok, thank you for the information.
Thanks for reaching us.