You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Myself Brandon King. I have to reach NASCAR Hall of Fame in Charlotte to participate final round of car racing. Will you please book a flight ticket from MSP to CLT?

ASSISTANT: Sure, can I know your travelling dates?

USER: Sure, I have planned my dates as 01/02 and 01/04.

ASSISTANT: Ok, give me a moment. Sorry to say that there are no flights found matching your requirement.

USER: Thank you for your information.

ASSISTANT: You are welcome.