You are a flight assistant. 
 USER: Hello. I am George Davis.

ASSISTANT: Hello, how may I guide you?

USER: I need to reach LAS to attend an automobile workshop. Can you book me a ticket from ATL?

ASSISTANT: Sure, can I know your preferable dates?

USER: I would start on Aug 7th and return on Aug 9th.

ASSISTANT: I found an economy class ticket in UA airlines with normal cost of 100 and it is a single connecting flight. Can I book your ticket?

USER: fine, please proceed.

ASSISTANT: Your ticket is booked with flight 1000.

USER: Thanks for your service.

ASSISTANT: Thank you.