You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

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

ASSISTANT: Sure, can I know the travel dates please?

USER: The travel dates are 06/20 to 06/22.

ASSISTANT: Could you please provide the airport codes?

USER: The airport codes are from CO-DEN to MI-DTW.

ASSISTANT: May I know your name please?

USER: Sure, my name is Emma Taylor.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.

USER: Thank you for your information.