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

ASSISTANT: Hello, how can I help you?

USER: I am president of South Indian association at Dallas & Fort Worth, so we are planning a small meeting for celebration of South Indian festival. Can you book me a ticket on dates from 04/03 to 04/05?

ASSISTANT: Sure, please share me your airport codes?

USER: My origin is MSP and destination is DFW.

ASSISTANT: Sorry, there were no flights with your given details.

USER: That's Ok, thanks for the information.

ASSISTANT: Thank you for reaching us.