Hello. I am Jacob Jones.
user
Hello,how may I help you?
assistant
I would like to attend the TED conference, which is going to be held at Washington. Can you help me to book a flight ticket?
user
Sure, Can you please provide your journey details?
assistant
My origin is from LGA, and my arrival is at IAD. The journey dates are on 04/20 and 04/22.
user
Please wait for a while, I will check the availability of flights and revert you.
assistant
Ok.
user
Sorry for the inconvenience, there were no flights found with your preferences.
assistant
Ok, thanks for the information.
user
Thank you for approaching us, have a good day.
assistant