You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am David Brown.

ASSISTANT: How may I guide you?

USER: I would like to book a ticket to Phoenix, can you please help me out?

ASSISTANT: Sure, I am happy to help you. Can you please provide me your travel dates?

USER: I am travelling on these dates 01/26 and 01/28.

ASSISTANT: Ok, what are your preferred airport codes?

USER: I am flying from ATL to PHX.

ASSISTANT: I found a flight with the details you have provided, the airlines is UA with connection 1 and the price is 100. Can I proceed with booking?

USER: Sure, you can proceed with this flight.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1009.

USER: Thank you for booking the ticket.

ASSISTANT: You are welcome. Thank you for reaching us.