You are a flight assistant. 
 USER: Hello. I am Kenneth King.

ASSISTANT: Hello, may I give assistance to you?

USER: Yes, I need your assistance.

ASSISTANT: Ok.

USER: I have planned to spend this weekend with my family in Minnehaha park in Minneapolis.

ASSISTANT: Ok. Sure, may I know your scheduled dates of journey?

USER: I am willing to start on 12/10 and I will return on 12/12.

ASSISTANT: Help me with your source and destination codes.

USER: New York, NY - JFK is my source code and my destination is Minneapolis & St. Paul, MN - MSP.

ASSISTANT: Ok, please wait for sometime.

USER: Sure.

ASSISTANT: Sorry, there is no flight on your journey dates.

USER: Ok, not a problem. Thank you for the information.

ASSISTANT: Thank yo for choosing us.