You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: My name is Edward Mitchell.

ASSISTANT: How can I help you?

USER: I just want to book a ticket from NY-EWR to DC-IAD. Can you please help me out?

ASSISTANT: Sure, please give me your travelling dates.

USER: The travelling dates are from 05/11 to 05/13.

ASSISTANT: There is a flight available with 2 connection limit.

USER: Sorry, I want the flight with 1 connection.

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

USER: OK, thank you for your information.

ASSISTANT: Thank you and have a nice day.