You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to celebrate my birthday in Atlanta, so please book a flight ticket from JFK to ATL.

ASSISTANT: Sure, may I know your name please?

USER: My name is Thomas Young.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I want to fly on Apr 24, return on Apr 26.

ASSISTANT: May I know your connection limit please?

USER: I want a flight with one connection.

ASSISTANT: Sorry Young, there is no flight found on your travelling dates.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.