You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: I am Lisa Allen, can you help me booking flights on these dates 11/18 and 11/20?

ASSISTANT: May I know your airport codes please?

USER: My airport codes are DCA to EWR.

ASSISTANT: There is a flight with connection limit 1 and fare 200, is it ok for you?

USER: Provide flight with connection 1. Ok, book it.

ASSISTANT: Your ticket is booked, flight number 1017.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.