You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Can you book a flight for me in the month of September on 18 and 20?

ASSISTANT: Sure, may I know your source and destination airports codes please?

USER: My source is from JFK and destination is at BOS.

ASSISTANT: Ok, may I know your good name please?

USER: Sure, Mary Edwards here.

ASSISTANT: Ok, may I know your connection limit please?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications please.

USER: I don't have any other specifications.

ASSISTANT: There is a connecting flight of fare 200 with economy class in Southwest airline, shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Ok, your reservation has been confirmed with flight number 1011.

USER: Thanks for your kind assistance.

ASSISTANT: You are welcome.