You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Thomas Johnson here.

ASSISTANT: How can I aid you today?

USER: I was planning to attend a conference with media in Phoenix - PHX. Can you please book a flight from ORD?

ASSISTANT: Sure, I'm glad to help you with that. Can you please provide your planned departure and return travel dates?

USER: My journey will start on 08/20 and I will be returning back on 08/22.

ASSISTANT: Ok, please be on hold.

USER: I need a stopover between my journey.

ASSISTANT: Frontier airlines is providing a flight on that route with 1 connection and you need to pay 200 as your travel charge, shall I proceed for booking?

USER: That's perfect, you can reserve my ticket with this flight.

ASSISTANT: I have successfully booked your ticket with flight-1005, have a safe journey.

USER: Thank you or helping me with booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.