You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please help me to search a flight with 0 connection limit?

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

USER: The travel dates are from 04/24 to 04/26.

ASSISTANT: Could you provide the airport codes please?

USER: The corresponding airport codes are from CA-LAX to DC-DCA.

ASSISTANT: May I know your name to proceed further?

USER: Sure, my name is Nicole Roberts.

ASSISTANT: Sorry Nicole, there are no flights available on your dates.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.

ASSISTANT: Welcome.