Hi. I am Mark Rodriguez.
user
Hello, how may I help you?
assistant
Could you please book a flight ticket to DFW  with  a connecting flight?
user
Sure, can I know your travelling dates?
assistant
I want to depart on 28th Aug morning and return back on 30th Aug.
user
Ok, let me know your source airport code?
assistant
My source airport code is EWR.
user
Thank you for giving your valuable time, but there are no flights available based on your request.
assistant
Not a problem, thank you for your information.
user
Thank you for opting us, we hope to serve you again with better features.
assistant