You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Ryan Carter here, and I want to meet my friend, can you please help me to book a flight ticket?

ASSISTANT: Sure Ryan. Can you provide your source and destination airport codes?

USER: Sure, my travel is from AZ-PHX to TX-DFW.

ASSISTANT: Will you provide your travelling dates?

USER: Sure, my trip is from 10/14 to 10/16.

ASSISTANT: Please give me a moment.

USER: Do you have any ticket for me? Sure.

ASSISTANT: Thanks for waiting. As per your request the flight is available. The flight number is 1008 with price 100. The connections is 1. Are you OK with this?

USER: OK, that's perfect. Please book it for me.

ASSISTANT: OK, your ticket is booked.

USER: Thank you, for helping me.

ASSISTANT: Thanks for reaching us. Have a nice day.