You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, do you need any help from us?

USER: I am Anna Lee. I am planning to go for CLT from MSP, can you please help me out?

ASSISTANT: Definitely, I will assist you.Could you please share your travelling dates?

USER: My travelling dates are 05/29 to 05/31.

ASSISTANT: Anna Lee, there is no flight on your request.

USER: That's ok.

ASSISTANT: Do you need any other help?

USER: Thank you.

ASSISTANT: Thank you for opting us.