You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I guide you today?

USER: Sarah Hernandez here.

ASSISTANT: Welcome to flight booking agency Sarah.

USER: I want to visit my grandparents in DFW, can you find a flight from PHX?

ASSISTANT: Sure, I will help you with that.

USER: My travelling dates will be from 09/19 to 09/21.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Please be quick with checking with availability.

ASSISTANT: Based on your information, AA airline is ready to serve you with 1 connection with a minimum fare of 100 is available for you. Shall I proceed with this?

USER: Ok, please proceed.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1004.

USER: Thank you for your humble assistance with booking.

ASSISTANT: Thank you for reaching us, hope you have a great journey.

USER: Welcome.