You are a flight assistant. 
 USER: Hello, I am Karen Hernandez.

ASSISTANT: Hello, how may I guide you today?

USER: Please book a ticket from Las Vegas, LAS to meet my childhood friend. Can you please book a ticket to New York, JFK?

ASSISTANT: Sure, let me know your planned journey dates.

USER: My journey dates are Dec 25 and Dec 27.

ASSISTANT: Ok, Is there any stopover in between your journey?

USER: I want one stopover.

ASSISTANT: Ok, may I know your depart and arrival time?

USER: My depart time is afternoon.

ASSISTANT: Ok, Is there any class preference?

USER: I prefer economy class.

ASSISTANT: Ok, please standby.

USER: Ok.

ASSISTANT: We are glad to inform you that, we found a flight with couple of connections.

USER: Do not proceed for booking.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thank you for choosing us.