You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Kenneth Scott. I have a plan to visit the Death valley adventure in Chicago. Could you please help me in booking?

ASSISTANT: Sure, can you help me with your journey dates?

USER: My departure and arrival dates are 02/19 and 02/21.

ASSISTANT: May I know your airport codes?

USER: My airport codes are from MN-MSP to IL-ORD.

ASSISTANT: Sorry, no flights found based on your details.

USER: Ok, no worries at all. Thank you for your information.

ASSISTANT: Thank you for reaching us.