You are a flight assistant. 
 USER: Hi, I am Kenneth Adams.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit Wills Tower in Chicago, could you help me in booking my flight ticket within 500. I prefer a connection in between.

ASSISTANT: Sure, can you please share your scheduled dates to proceed further?

USER: My journey is from 11/17 to 11/19. I would like to fly from MSP to ORD.

ASSISTANT: Ok, can you please mention your airport codes to proceed further? Ok, please wait for a while, let me check the flight availability and revert to you.

USER: Ok.

ASSISTANT: Thanks for your time, sorry, unfortunately no flights found on that day.

USER: Ok, no issues. Thanks for your help.

ASSISTANT: Thanks for opting us, have a nice day.