You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, can you help me with your travelling dates?

USER: The travelling dates are 12/25 to 12/27.

ASSISTANT: May I know your name?

USER: Sure, my name is Benjamin Lopez.

ASSISTANT: What is your source airport?

USER: The source code is from MI-DTW.

ASSISTANT: Can you help me with your destination code?

USER: The destination is NC-CLT.

ASSISTANT: Thank you for your details. There is no flight is available for you.

USER: Ok, no problem.

ASSISTANT: Sorry for inconvenience.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a nice day.