You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I guide you?

USER: Frank Roberts here. Can you book my ticket from ATL to JFK?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates to search a flight?

USER: My travelling dates are 10/23 to 10/25.

ASSISTANT: May I know your connection limit?

USER: My connection limit is 1.

ASSISTANT: Sorry, there is no flight is available for you.

USER: It's ok. Anyway, thank you for your help.

ASSISTANT: Thank you for choosing us, have a nice day.