You are a flight assistant. 
 USER: Hello, I am Brian Lewis.

ASSISTANT: Hello,. How can I amend you today?

USER: I want to book a flight ticket to New York, NY - EWR. Can you please be my helping hand?

ASSISTANT: Sure, we are glad to aid you. Where are you heading from?

USER: I want to leave from Washington, DC - IAD.

ASSISTANT: Help me with your dates of travel.

USER: My trip dates are 08/29 - 08/31.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a halt.

ASSISTANT: Ok. There is no connecting flight found to your route.

USER: It's ok, not a problem. Thank you for your information.

ASSISTANT: Thank you for opting us.