Hello.
user
Hello. How can I aid you?
assistant
David Wilson here. I am looking for a flight from IAD to IAH, can you find a flight my route?
user
Sure, may I know your travelling dates?
assistant
My travelling dates are from 12/16 till 12/18.
user
Please wait a moment, let me check the availability for you.
assistant
Ensure that the connection limit should be 1.
user
Sorry fr inconvenience, there is no flights found with your requirement.
assistant
That's ok, no problem.
user
Do you have any other dates to travel?
assistant
No, I didn't planed yet.
user
Thank you for choosing our service.
assistant
Welcome.
user