Hi. Ronald Robinson here.
Hello, how may I aid you?
Can you please help me with booking a flight ticket to Washington within price 200?
Sure, when have you planned to travel?
I have planned to go on 09/30 and come back on 10/02.
Where have you planned to travel ?
I am heading to IAD from  EWR.
Please wait a minute.
Ok.
There is no flight found matching with your requirements.
No issue, thank you.
Thanks for reaching us.