Hello,. I am Stephanie Williams.
user
Hello, how can I aid you?
assistant
I would like to attend a seminar on environmental issues in pioneer plaza at Dallas & Fort Worth, DFW. Can you please make a reservation from Philadelphia, PHL?
user
   Sure, may I know when you want to travel?
assistant
I want to travel on 03/25 and 03/27.
user
Ok, do you need any connection?
assistant
Yes, I need a connection in between journey.
user
Thank you for providing your details. Sorry to say no flights found with your details.
assistant
Ok, no problem. Thank you.
user
Thank you for reaching us, have a nice day.
assistant