Hi, I am Kathleen Davis.
user
Hello, how may I serve you today?
assistant
I want to book a flight ticket with in the price limit 200. Can you help me?
user
Sure, please let me know your source and destination airport codes.
assistant
I want to head to Phoenix, AZ-PHL to attend robotic workshop, my origin is Las Vegas, NV-LAS.
user
when do you want to travel?
assistant
I will start on 05/18 and I intend to return on 05/20.
user
Please wait for sometime.
assistant
Sure.
user
Thanks for being patient. We found no flights available with your specifications.
assistant
Ok, thank you.
user
Thank you and have a good day.
assistant