Hello, I am Joshua Thomas.
user
Hello, how may I assist you?
assistant
I would like to attend a seminar on social issues in pioneer plaza at Dallas & Fort Worth, DFW, can you please book me a ticket for a round trip?
user
Sure, please mention your travel dates?
assistant
My journey dates are from 10/19 to 10/21.
user
OK, please wait a moment.
assistant
Ok.
user
Sorry, there were no flights found on your route.
assistant
Ok, thank you for your information.
user
Thank you for opting us.
assistant