You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Edward Mitchell.

ASSISTANT: Welcome to flight booking agency Edward.

USER: Thanks, I want to go to Phoenix next month for my film shooting purpose, can you please book a flight ticket from Washington on 05/07?

ASSISTANT: Sure, I am gleeful to assist you with that. Can you please provide your origin and destination airport codes for booking?

USER: Thank you,  I want to take off from DCA and destination airport is PHX.

ASSISTANT: Is there any return trip that you are planning?

USER: Yes, please book my return ticket also on 05/09.

ASSISTANT: Please wait a moment to check the flights availability in your route.

USER: Ok.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 is provided by Southwest airlines. Shall I proceed with this?

USER: Oh! That's great, please confirm this flight ticket for me.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1010.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us, have a great journey.