You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Could you please help in booking a flight ticket?

ASSISTANT: Sure, please tell me your trip location.

USER: Sure,my source is from DC-DCA to MN-MSP. And, my travelling dates are 01/09 to 01/11.

ASSISTANT: OK. I found a flight with your requirement. Can I know if you have more requirements?

USER: OK, my price limit is 500 and connection is 1.

ASSISTANT: OK. This flight matches with your details. Would you like to book this ticket/.

USER: OK, you can proceed with the booking.

ASSISTANT: Can I know your name?

USER: Yes, my name is Karen hill.

ASSISTANT: OK. Your flight ticket is booked. Thank you.

USER: OK,thank you.

ASSISTANT: Have a nice day.