You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Carol Robinson, I want to book a flight ticket from IAD to LAS.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my travelling dates are 12/11 and 12/13.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1016.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for choosing us.