Hello.
user
Hello. How may I aid you?
assistant
My name is Gregory Thompson. I would like to travel from DCA to IAH, could you help me out?
user
Sure, can I know your travel dates?
assistant
My preferable dates are from 03/04 to 03/06.
user
Ok, please wait. I will check for the available flights and let you know.
assistant
Sure.
user
Gregory, there is no flight available on your preferred dates.
assistant
That's ok. Thank you, have a good day.
user
You are welcome and thank you for choosing us.
assistant