You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

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

ASSISTANT: Sure, may I know your preferable dates to travel?

USER: The preferable dates are from 01/06 to 01/08.

ASSISTANT: Can you please share your source and destination airport codes?

USER: The source code is from DC-DCA and the destination is NC-CLT.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Stephanie Hernandez.

ASSISTANT: Sorry to inform you that there is no flight available in this route on your requested dates.

USER: Ok, no problem.

ASSISTANT: Thank you for contacting us.

USER: Thank you for your information.