You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I serve you today?

USER:  My name is Mark Taylor.

ASSISTANT: Hello Mark.

USER: I need a ticket to Atlanta, GA-ATL from Chicago, IL-ORD, for an Autoshow.

ASSISTANT: Ok, may I know your preferable dates of travel to attend your show?

USER: Depart by 02/29 and return on 03/02.

ASSISTANT: Ok, please be on hold for a while to check the flights availability and I will revert you.

USER: Sure.

ASSISTANT: Based on your details, flight number 1002 from Delta airlines with 1 connection with the fare of 100 is available for you. Shall I book this flight ticket?

USER: Please book flight ticket.

ASSISTANT: Ok, your ticket is booked successfully.

USER: Thanks.