You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit Boston, will you help me in booking the flight ticket from CLT to BOS?

ASSISTANT: Sure, can you please mention with your dates of journey?

USER: My preferable journey dates are Oct 29 and Oct 31.

ASSISTANT: May I know your name please?

USER: Myself Jerry Robinson.

ASSISTANT: Do you have any other specifications please?

USER: I need a connecting flight in business class.

ASSISTANT: Ok, please wait for a mean while.

USER: Ok, I will wait.

ASSISTANT: Sorry Jerry, there is no flight found as per your travelling details.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: You are welcome.