You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. I hope you are good today, how can I help you?

USER: Can you please help me to search a flight with 1 connection limit?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Can I know on what dates you are willing to travel?

USER: The departure date is 02/05 and the return date is 02/07.

ASSISTANT: Please share from which airport are you preferred to travel.

USER: The corresponding airport codes are from NC-CLT to MI-DTW.

ASSISTANT: Do you have any other specifications?

USER: Yes, price should not be more than 500.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates. May I know your name please?

USER: No problem, my name is Brandon Evans.

ASSISTANT: Thank you for opting us. have a nice day.

USER: Thank you for your help.