You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Karen Gonzalez and I want to book a flight ticket.

ASSISTANT: Sure, Please provide me your details?

USER: I would like to travel from  MI-DTW to MI-DTW   with 1 connection limit.

ASSISTANT: OK, Please also provide me your journey dates?

USER: My travelling dates are from 04/2 to 04/04 with the price limit 200.

ASSISTANT: OK,Please wait while I check the availability of flight.

USER: OK.

ASSISTANT: Thanks for waiting. Sorry to inform that there is no flight available on this date.

USER: Thanks for the information.

ASSISTANT: Thank you, Have a nice day.