Hello.
user
Hello, how can I help you now?
assistant
I am looking for the flight having a connection limit 0, can you please check the flight?
user
Sure, can you please provide me the travelling dates of your journey?
assistant
My travelling dates are 08/20 and 08/22.
user
Ok, may I know the airport codes please?
assistant
The source and destination airport codes are  BOS and DFW.
user
May I know your name please?
assistant
Sure, I am Anna Robinson.
user
Sorry, there are no flights with 0 connection limit.
assistant
It's ok, I will choose any other source to travel.
user
Thank you for approaching us, have a nice day.
assistant
You are welcome.
user