Hi.
user
Hello. In which way I can aid you at this moment?
assistant
Dennis Anderson here. I want to travel from BOS to DFW  to watch a football match, can you please book a flight ticket for me?
user
Sure, I will aid you with that. Can you please mention your preferable travel dates?
assistant
My preferable travel dates are Sept 11 to Sept 13.
user
Do you need any specific depart and arrival time for this trip?
assistant
I would like to return in the afternoon.
user
Are you okay with connecting flight or you need any direct flight?
assistant
I am comfortable with a connecting flight.
user
Do you have any another specifications?
assistant
I prefer to travel in a normal cost airline.
user
Please wait a moment, I will check flight availability in this route.
assistant
Sure.
user
Sorry, no flights are available in this route as per your requested dates.
assistant
Ok, no problem. Thank you for your information.
user
Thank you for reaching us.
assistant