Hi.
user
Hello, do you need any help from us?
assistant
I am Paul Rodriguez. I want to book a  flight ticket within 1000. Can you help me?
user
Sure, could you please share your departure and arrival day?
assistant
12/12 and 12/14 are my travelling dates.
user
Ok, may I know your location airport codes?
assistant
AZ-PHX and DC-IAD are my airport codes.
user
Sorry, there is no flight on your requested travelling dates.
assistant
No issue. Thank you for the information.
user
You are welcome, have a great day.
assistant