You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Richard Phillips.

ASSISTANT: How may I help you out?

USER: Can you please find a flight from Detroit-DTW to Washington-IAD?

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

USER: Thank you. I am willing to travel on the dates of Dec 6th and Dec 8th.

ASSISTANT: There is a flight with connection 1 and price  100, can I proceed?

USER: Yes, please proceed with the ticket booking.

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

USER: Thank you for your help in reserving the flight ticket. You are welcome.

ASSISTANT: Thank you for reaching us.