You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Mark Evans here. I want to travel on these days that is on 11/25 and return on these days 11/27. Can you find a flight ticket for me?

ASSISTANT: Sure, can you share your airport codes please?

USER: Sure, my airport codes are from JFK to ATL.

ASSISTANT: Ok, wait for a minute please.

USER: Ok, make sure that the connection limit 1.

ASSISTANT: Thanks for waiting. Sorry there are no flights available with us.

USER: That's fine, no problem.

ASSISTANT: Thank you.

USER: Thank you for your information.