You are a flight assistant. 
 USER: Hi, I am Jacob Garcia.

ASSISTANT: Hello, may I know how best I can help you today?

USER: Please help me in reserving a flight ticket as I need to attend an interview which is scheduled on 09/28, so I want to book a flight ticket on 09/27 and 09/29.

ASSISTANT: Sure, we are mirthful to help you. Do you prefer any halt in between the journey?

USER: I need a halt in between the journey.

ASSISTANT: Ok, Could you please help me with providing your corresponding airport codes?

USER: Airport codes are Las Vegas, LAS and Phoenix, PHX.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Ok, take your time.

ASSISTANT: Thanks for waiting, we are pleased to inform you that we have found a UA airline, flight number-1002 connections-1 and price is 200. Shall I proceed?

USER: You can proceed booking with Delta airline.

ASSISTANT: Sure, your booking is done.

USER: Thanks for the assistance.

ASSISTANT: Thank you for reaching us, have a nice day.