You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in booking a flight ticket from DTW to CLT?

ASSISTANT: Sure, let me know your travelling dates.

USER: My trip dates are 11/25 - 11/27.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any other requirements?

USER: I prefer a normal - cost airline.

ASSISTANT: May I know your name please?

USER: John Carter here.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: No issues, thank you.

ASSISTANT: Thank you for opting us.