You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: My name is Elizabeth Hall. I would like to travel from ATL to ORD.

ASSISTANT: Sure, please tell me your ravel dates to proceed.

USER: My preferable dates are from 03/18 to 03/20. Please check for 1 connection.

ASSISTANT: Sorry Elizabeth, there are no single connection flights available on your given details.

USER: That's ok. Thank you.

ASSISTANT: You are most welcome.