You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Could you please help me in flight ticket booking process from EWR to DCA?

ASSISTANT: Sure, can you share your trip dates?

USER: Thank you for your response, I want to take off on Oct 14 and book my return ticket also on Oct 16.

ASSISTANT: Do you have any connection limit?

USER: I will prefer 1 break in between my journey.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: Please forward your name.

USER: Sure, my name is Larry Hall.

ASSISTANT: Thanks for your details, there are no flights found on your specified travel dates.

USER: Oh! It's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for availing us.