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