You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you for today?

USER: I am Helen Johnson. I am planning to visit Desert botanical park at Phoenix. Can you please help me out to book a flight ticket for me?

ASSISTANT: Yes, I can help you with that.

USER: Thanks.

ASSISTANT: From which nearest airport code you are preferring to start your journey?

USER: My nearest source code is GA-ATL.

ASSISTANT: Ok, can you share me departure date of your journey?

USER: I am planning to start my journey from 11/06.

ASSISTANT: Could you please tell me your nearest destination airport code in Phoenix?

USER: My destination airport code is AZ-PHX.

ASSISTANT: Ok, can you please share me your return date of your journey?

USER: I am planning  to return back on 11/08.

ASSISTANT: Give me a moment, I will revert to you back with the availability of flights.

USER: Sure, take your own time.

ASSISTANT: Thank you for waiting. I have found a flight ticket for you with a fare of 100 and 1 connecting flight. Can I proceed to booking?

USER: That's great, you can proceed the booking.

ASSISTANT: Ok, your ticket has been booked with 1004 of UA airlines.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching our agency.

USER: You are most welcome.

ASSISTANT: Feel free to reach us anytime.