You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me to book a flight from EWR to IAD?

ASSISTANT: Sure, let me know your travelling dates please.

USER: I want to travel on Oct 1 and need to return on Oct 3.

ASSISTANT: Do you prefer any break in between journey?

USER: I need connecting flight.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: May I know your good name?

USER: Myself Carol Davis.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.