You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Katherine King. Can you assist me in ticket booking from ATL to MSP?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are from 01/30 to 02/01.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: That's fine. Thank you for your help.

ASSISTANT: You are welcome.