Hello.
user
Hello, how can I assist you at this moment?
assistant
 would like to book a flight ticket from DEN to attend a robotic workshop at EWR, can you help me to book a flight ticket?
user
Sure, Can you please provide your connection limit?
assistant
Sure, I need a direct flight.
user
May I know your depart and arrival dates?
assistant
   Yes, I want to depart on Dec 03 and return on Dec 05.
user
Ok, Let me know your name please.
assistant
My name is Jeffery Robinson.
user
Sorry to say that, there were no flights found based on your specified details.
assistant
   That's ok, thank you for the response.
user
Thank you for approaching us.
assistant