You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Jack wilson and I want to book a flight ticket to attend a science fair program at MN-MSP from  DC-DCA.

ASSISTANT: Can you provide journey dates?

USER: My travelling dates are from 05/24 to 05/26.

ASSISTANT: Thanks for the information. We have found a direct flight with UA airline. Do you want any connections?

USER: I need a flight with 1 connection.

ASSISTANT: Unfortunately, we did not found any flights. Thanks for choosing us.

USER: Thanks for your service.