You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Mark Robinson, I want to book a flight ticket from DEN to IAD in the month of November.

ASSISTANT: Sure, I will help you in booking the ticket.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my travelling dates are 11/23 and 11/25.

ASSISTANT: Ok, please wait for a while.

USER: Ok, sure take your time.

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

USER: Yes, do proceed with the booking with this flight.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for the help by booking my flight ticket.

ASSISTANT: Thank you for reaching us.