You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Myself Barbara Lopez, I am looking to book a plane ticket from JFK to DCA. Can you please help me out?

ASSISTANT: Sure, I am here to help you. Could you please let me know your travelling dates?

USER: Sure, my preferable travelling dates are from 07/17 to 07/19.

ASSISTANT: Do you have any requirements?

USER: I need 1 connected flight.

ASSISTANT: There is a flight-1019 of Delta airlines, which matches you with price 100. Shall I proceed?

USER: Ok, please confirm my reservation.

ASSISTANT: Ok, your booking is done.

USER: Thank you so much.

ASSISTANT: Welcome.