You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I want to book a ticket from ORD to MSP for a meeting.

ASSISTANT: Sure, provide me your journey dates?

USER: My travelling dates are from 11/28 to 11/30.

ASSISTANT: Let me check for the availability.

USER: Ok.

ASSISTANT: May I know your name please?

USER: I am Samantha Turner.

ASSISTANT: Sorry Turner, no flights available as per your provided details.

USER: That's ok, no problem. Thank you for your support.

ASSISTANT: Thank you for approaching us, have a good day.