You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Gregory Johnson here. I am planning to attend a Science Fair in Chicago From MSP to ORD. Can you make a reservation for me?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: Thank you for accepting my request, my itinerary dates are on 09/13 and return date is on 09/15.

ASSISTANT: Ok Gregory Johnson, please wait a moment.

USER: Ok, make sure that the connection limit is 1.

ASSISTANT: Sorry Gregory Johnson, no flight is available to you on your dates due to some weather problems.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Thank you for your valuable information.

ASSISTANT: Most welcome.