You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Christopher Miller. can you please help me in flight ticket booking from IAD to DTW?>.

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

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: My dates are 10/07 and back on 10/09.

ASSISTANT: OK, please wait for a while.

USER: Sure.

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

USER: Yes, please confirm my flight ticket booking.

ASSISTANT: OK, your ticket has been booked.

USER: Thank you so much for your help in my ticket booking.

ASSISTANT: Thank you for choosing us.