You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am David Turner. I have to attend a music event at Chicago, can you please help me in booking a flight ticket?

ASSISTANT: Sure, may I know your dates of journey please?

USER: Sure, my travel dates are 02/25 and 02/28.

ASSISTANT: Ok, could you please share me with your airports codes?

USER: Sorry my departure date is on 02/26. My airport codes are EWR and ORD.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: I found a flight with the connecting flight of fare 100 and the airline is UA, are you ok with this booking?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket has been confirmed with the flight number 1013.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a safe journey.