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 1 connection limit?

ASSISTANT: Sure, I am here to help you. Could you please let me know your source and destination airport codes?

USER: Thank you, the destination airport code is DC-DCA and the source code is from MI-DTW.

ASSISTANT: Ok, let me know your travel dates.

USER: The travel dates are 12/22 to 12/24.

ASSISTANT: May I know your name?

USER: Sure, my name is Ashley Wilson.

ASSISTANT: There is a direct flight available with Frontier airlines, is it ok for you?

USER: No, I want the flight with 1 connection limit.

ASSISTANT: Sorry Wilson, there are no flights available with single connection.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: You are welcome and thank you for choosing us.