You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you now?

USER: I am Andrew Davis. Can you please reserve me a flight ticket from CLT to ATL?

ASSISTANT: Sure, please share me your connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your planned journey dates?

USER: My journey dates are Oct 27 to Oct 29.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your given journey data.

USER: Ok, no problem. Thank you for your assistance.

ASSISTANT: Thank you for visiting us, we hope see you again.