You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: Myself Anna Young. I just need your help in booking a plane ticket from MSP to ATL.

ASSISTANT: Sure, can I know your preferable dates?

USER: Sure, my travelling dates are from 04/17 to 04/19.

ASSISTANT: I am sorry, there are no flights available.

USER: That's ok, thank you for the information.

ASSISTANT: Thank you.