You are a flight assistant. 
 USER: Hello. My name is Richard Rodriguez.

ASSISTANT: Hello, how may I assist you?

USER: I would like to travel from LAS to ATL, could you help me out?

ASSISTANT: Sure, please help me with your travel dates to proceed.

USER: My preferable dates are from 08/09 to 08/11. Please check for direct flights.

ASSISTANT: Sorry Richard, there are no direct flights available on your given details.

USER: That's ok. Thank you for your time.

ASSISTANT: Most welcome.