Hello.
user
Hello, how may I aid you?
assistant
I want to visit Houston to attend my conference meeting. Please help me in booking my ticket from DFW.
user
Sure, can you please tell me your trip dates?
assistant
Sure, my trip dates are from 11/30 to 12/02.
user
In Houston, on which airport you want to land?
assistant
I want to land on HOU.
user
Ok do you any other requirements?
assistant
Yes, my depart time will be in the afternoon with 1 connecting flight.
user
May I know your name please?
assistant
Myself Charles Clark.
user
Sorry Charles, there is no flight available on these route.
assistant
It's ok, thank you for your help.
user
Most welcome.
assistant