You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Paul Gonzalez, want  to travel from PHX to IAD. Please help me.

ASSISTANT: Sure, may I know your trip dates please?

USER: My trip dates are from 06/20 to 06/22.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by AA airlines. Would you like to book this flight for your journey?

USER: Please proceed with the booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1001.

USER: Thank you so much.

ASSISTANT: Most welcome.