You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I am Janet Young. I am planning to attend a live music consent at Dallas, help me in booking my flight ticket from Chicago IL-ORD to TX-DFW.

ASSISTANT: Sure, Please help me with your travel dates.

USER: My planned dates will be 11/11 to 11/13.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Its ok, thank you for your response, I will find other alternative.

ASSISTANT: Thank you for opting us.