You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Cynthia Hernandez. I need to book a ticket with fare of 1000, so please help me in doing that.

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are 10/12 and return on 10/14.

ASSISTANT: Please mention your airport codes?

USER: My airport code is IAD. It is a round trip.

ASSISTANT: Here is a single connection flight with 100 fare and 1005 as flight number. Shall I proceed for booking?

USER: You can proceed with booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.