You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Myself Cynthia Smith. Can you please help me in booking a flight ticket from IAD to ORD locations?

ASSISTANT: Sure, please tell me your trip dates.

USER: My travelling dates are from 03/15 and 03/17.

ASSISTANT: There is a flight available from AA airline which matches with your requirement, can I proceed to book it?

USER: Please proceed with it.

ASSISTANT: Ok, your ticket is booked with flight number 1027.

USER: Thank you so much.

ASSISTANT: Thank you.