You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: I am Gregory Lewis,I am planning a trip for my sister's marriage so can you find a ticket for me?

ASSISTANT: Sure, please provide me your travelling details like the airport codes and your dates to travel.

USER: Yes, my trip city codes are LAS-ATL. And, my travelling dates are 05/25 to 05/27.

ASSISTANT: There is a flight available regarding your journey and there is 0 connection of flight. The price of the ticket is 200. Can I proceed the booking of the ticket please?

USER: Sorry, but I want 1 connection limit.

ASSISTANT: Sure, please give me some time to check for another flight for you.

USER: OK, sure.

ASSISTANT: Sorry, there is no flight available with 1 connection.

USER: OK, thank you.

ASSISTANT: Thank you and have nice day.