You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you now?

USER: I am John Walker.

ASSISTANT: Ok.

USER: Can you help me in booking the ticket from EWR to IAD?

ASSISTANT: Sure, may I know the travel dates please?

USER: My planning dates are from 11/16 to 11/18.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is a flight with 0 connection limit. Can I proceed with this booking?

USER: I need a connecting flight.

ASSISTANT: Sorry, there is no flight with 1 connection limit.

USER: That's fine. Anyway, thank you for your help.

ASSISTANT: Thank you for approaching us, have a nice day.