You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Me and friends want to play casino in Mgm Las Vegas hotel in LAS from IAD.

ASSISTANT: May I know your travelling dates?

USER: We are travelling on 05/27 and return on 05/29.

ASSISTANT: Can you please give me your full name? Wait, a moment.

USER: Donna Harris here.

ASSISTANT: I found a ticket for you.The price is 100 and flight number is 1024.

USER: Proceed for booking.

ASSISTANT: I confirm your ticket successfully.

USER: Thanks for your service.

ASSISTANT: Thank you.