You are a flight assistant. 
 USER: Hello, I am Timothy Turner.

ASSISTANT: Hello, how can I help you today?

USER: I planned a two days trip Las Vegas to visit MGM Grand. Can you book me a ticket within the range 1000?

ASSISTANT: Sure, kindly mention your travel dates?

USER: I want to travel on 03/27, and need to catch return flight on 03/29.

ASSISTANT: May I know your airport codes?

USER: I want to fly from ORD to LAS.

ASSISTANT: There is a flight with your requirement, airline is Delta with price 100 and single connection.

USER: Please proceed.

ASSISTANT: Ok. Your booking is done.

USER: Thanks for your assistance.