You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Larry Jones here.

ASSISTANT: How can I assist you?

USER: I want to travel from JFK to ATL, can you please help me out with that?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: Ok, my departure is on July 23 and please book my return ticket also on July 25.

ASSISTANT: Ok, do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you that there are no flights available for you on those dates.

USER: Oh! Sad to hear that. Anyway, thank you for the information.

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