You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you at this moment?

USER: I am Elizabeth Adams from Houston. I want to go Charlotte next month, can you please book a direct flight for me?

ASSISTANT: Sure, I am oblige to help you.

USER: Thank you.

ASSISTANT: Can you please provide your planned dates of travelling?

USER: I want to take off on 02/20 and book my return ticket also on 02/22.

ASSISTANT: Ok, may I know your origin and destination airport codes for booking?

USER: I want to fly from HOU and destination airport is CLT.

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

USER: Ok.

ASSISTANT: I found a AA airlines with a ticket fare of 100 and there is a 1 stop over in your journey, can I confirm your flight ticket booking?

USER: Please book this flight ticket for me.

ASSISTANT: Ok, your ticket has been booked in flight number 1024.

USER: Thank you for your help.

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