You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need to travel New York, can you please reserve flight ticket from IAD and EWR?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My travelling dates are May,18 and May,20.

ASSISTANT: May I know your name for the documentation process?

USER: Myself Anthony Moore.

ASSISTANT: May I know your connection limit?

USER: I prefer one connecting flight.

ASSISTANT: Sorry, no flights are available on your specified dates.

USER: Oh! Sad to hear that. Anyway, I will find another alternative to complete my journey.

ASSISTANT: Welcome, thank you for reaching us.

USER: Thank you for the information.