Hello.
user
 Hello, How exactly I can serve you the best today?
assistant
I am Gregory Garcia want to travel to DC-IAD to view Niagara water falls. Can you book a connecting flight?
user
Sure, I would be happy to help you. Can you please provide your take off airport code?
assistant
I will depart from CA-LAX.
user
May I know when you have planned to travel?
assistant
My travel dates are 04/17 and 04/19.
user
Ok, please wait a moment, let me search a flight for you.
assistant
Ok.
user
There is no flight found in search to your route on your dates of journey.
assistant
Thank you for your response.
user
Thank you for reaching us.
assistant