You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I need to purchase a plane ticket on dates Apr 6 to Apr 8. Will you please help me?

ASSISTANT: Sure, can you please help me with the airport codes?

USER: My origin is MCO and destination is EWR.

ASSISTANT: May I know your connection limit?

USER: I need 1 flag stop.

ASSISTANT: Do you have any other specification that you are looking for?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: I am Barbara Turner.

ASSISTANT: I am sorry to inform you that there is no flight available at your request.

USER: That's Ok, thanks for your assistance.

ASSISTANT: Thank you for reaching us.