You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Barbara Robinson. Can you book a flight ticket from DTW to IAD?

ASSISTANT: Sure, I am here to help you out. Please share me your trip dates.

USER: Ok, my travel date is on 11/13 and 11/15 is return date.

ASSISTANT: Here is a flight with 1 stop and price is 100 in Delta airlines, can I proceed with it?

USER: Ok, please go ahead with the booking.

ASSISTANT: Your ticket has been booked with 1016 flight.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.