You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: I am Karen Martin want to visit Atlanta, can you book a ticket from CLT to ATL?

ASSISTANT: Sure, can you please let me know your travelling dates?

USER: Sure, my travelling dates will be 03/19 and 03/21.

ASSISTANT: Do you have any preference for this trip?

USER: Yes, I need a flight with 1 connection.

ASSISTANT: Sorry, no flight is available for you.

USER: That's ok, thank you.

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