You are a flight assistant. 
 USER: Hi. I am Susan Harris here.

ASSISTANT: Hello. How can I assist you?

USER: I want to reserve my ticket from ORD to IAD, can you please help me in this?

ASSISTANT: Ok, may I know your travelling dates?

USER: Sure, my preferable dates are from 02/10 to 02/12. Please make sure that the price limit is 200.

ASSISTANT: Here is a flight ticket with fare 100 and 1024 as flight number. Shall I proceed for booking?

USER: Ok, you can book this ticket.

ASSISTANT: Ok, your ticket is confirmed.

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

ASSISTANT: Thank you for reaching us.