You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to meet my grandmother, can you please book the flight ticket from LAS to IAD?

ASSISTANT: Sure, please provide your itinerary dates.

USER: I want to depart on 09/22 and return on 09/24.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Hawaiian airlines with flight 1027 is available on your route.

USER: That's perfect! You can book the ticket on the name of Joshua Moore.

ASSISTANT: Moore, your ticket is confirmed.

USER: Thank you very much for your help.

ASSISTANT: Thank you for choosing us.