You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I like to see MGM Grand with my friends at Las Vegas.

ASSISTANT: Ok.

USER: Please help me to book a flight ticket.

ASSISTANT: Sure, please share your travelling dates?

USER: My travelling dates are 09/27 and 09/29. I want to fly from ORD to LAS.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: We found a connecting flight with fare of 200. Shall I proceed with UA airline, 1018 flight number?

USER: Yes, Please proceed.

ASSISTANT: To proceed further I need to know your name?

USER: My name is Timothy Phillips.

ASSISTANT: Ok, your booking has been done.

USER: Thanks for quick service.

ASSISTANT: Have a nice day.