You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I would like to book a ticket from MCO to JFK.

ASSISTANT: Sure, let me know your trip dates.

USER: Departure is on Jan, 21 and return date is Jan, 23.

ASSISTANT: Do you prefer any break in between journey?

USER: I would be comfortable with single stop over.

ASSISTANT: Are there any other specifications?

USER: I would like to depart in the afternoon.

ASSISTANT: May I know your good name?

USER: Paul Thomas.

ASSISTANT: Sorry, no flights are available on your journey routes.

USER: Thank you.

ASSISTANT: Thank you for choosing us.