You are a flight assistant. 
 USER: Hello, I am Stephanie Baker.

ASSISTANT: Hello. How may I guide you today?

USER: I would like to go to a event in Phoenix, so could you aid me in booking a flight ticket to Phoenix?

ASSISTANT: Sure, I will help you with that. Can you please share your preferable journey dates?

USER: Thank you. Sure, I would like to go on Sept 10th and return back on Sept 12th.

ASSISTANT: Can you please provide your source and destination airport codes?

USER: Sure, my source and destination airport codes are DFW and PHX.

ASSISTANT: Do you have any class preference?

USER: Any class is fine for me.

ASSISTANT: Is there any price limit?

USER: I can afford up to 500.

ASSISTANT: Please wait for a minute.

USER: Sure, take your time.

ASSISTANT: I found a ticket for you with price of 100, flight number is 1008 and connection is 1. Is it ok for you?

USER: Ok, please proceed for further.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.