You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I am Richard Williams want to visit Boston to attend a workshop, can you book a ticket from DEN to BOS?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Sure, my travelling dates will be 11/12 and 11/14.

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

USER: Ok, proceed with my booking.

ASSISTANT: Sure, your ticket has been booked with flight number 1002.

USER: Thank you.

ASSISTANT: Thank you for your services.