You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Dorothy Collins.

ASSISTANT: How can I help you?

USER: I need to attend a wedding in New York.Can you book a ticket from BOS to EWR? The connection limit is 1.

ASSISTANT: Sure,may I know your travel dates please?

USER: The departure is on 06/18 and return is on 06/20.

ASSISTANT: There is a flight with 1000 number it belongs to AA airlines, can I proceed for booking?

USER: Can I know the price before proceeding?

ASSISTANT: It cost you 200 only.

USER: Yes, proceed with booking.

ASSISTANT: Your booking is confirmed. Thank you have a safe journey.

USER: Thank you for your help.