You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Eric Parker. I want to book a ticket from IAD to PHX, can you help me?

ASSISTANT: Sure, I will help you. Can I have your planned travel dates please?

USER: My travel dates are 05/05 and 05/07.

ASSISTANT: Please wait a moment, I will find the availability of flights.

USER: Sure.

ASSISTANT: Thank you for your waiting, I found a flight for you in Delta airlines with price 200. Can I book your ticket?

USER: You can book it.

ASSISTANT: Ok, your booking is confirmed with flight number 1007.

USER: Thank you for booking.

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