You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Ruth Hernandez here.

ASSISTANT: How can I assist you?

USER: I want to meet my business partner to discuss about financial issues in our casino. So please book my ticket from PHX to LAS.

ASSISTANT: Ok, may I know your travelling dates to search for your flight ticket?

USER: My trip dates are 11/19 and 11/21.

ASSISTANT: Here is a flight ticket from 1019 flight and 100 as fare.

USER: Go ahead to book my ticket.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for assisting me.

ASSISTANT: Most welcome.