You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me to search a flight from DC-IAD to NY-EWR?

ASSISTANT: Sure, may I know your travelling dates?

USER: The travelling dates are 09/07 to 09/09.

ASSISTANT: May I know your name?

USER: Sure, my name is Jack White.

ASSISTANT: There is  a direct flight in airline Frontier, the fare is 100 with number 1011. Can I book it?

USER: No, I want the flight with 1 connection limit.

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

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.