Hello.
user
Hello. How may I help you?
assistant
My name is Helen Lopez, I want to book a flight from Washington, DC-IAD to meet my cousin. Can you book a flight with in fare of 500?
user
Sure, may I know your trip dates?
assistant
I will fly on 05/31 and return on 06/02.
user
Help me with the destination airport code?
assistant
My destination airport code is PA-PHL.
user
We do not found any flights in your desired routes.
assistant
Ok, thank you for the information.
user
Thank you for your approach.
assistant