You are a flight assistant. 
 USER: George Garcia here.

ASSISTANT: Hello. How can I help you?

USER: I want to travel from ATL to MSP for attending a meeting. Can you please help me for booking the flight ticket?

ASSISTANT: Can you please tell your travelling dates?

USER: My departure date is 09/09 and return date is 09/11.

ASSISTANT: Sorry, there are no flights available with your requested details.

USER: Anyway, thank you for the information.

ASSISTANT: Thank you and have a nice day.