You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning for a trip from PHX to IAD, can you help me over that?

ASSISTANT: Sure, I will help you. Please help me with your planned travelling dates.

USER: Ok, my travel dates are from Aug 09 to 11.

ASSISTANT: Please help me with your name.

USER: Sure, I am Michelle Davis.

ASSISTANT: Do you need a break in your journey?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences in your journey?

USER: No.

ASSISTANT: Please allow me a minute.

USER: Sure.

ASSISTANT: We have a connecting flight operated by Frontier Airlines with a fare of 100 only, shall I book the flight ticket?

USER: Yes, you can.

ASSISTANT: I have booked your ticket in flight-1019.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a great time!.