You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Sharon White.

ASSISTANT: White, how can I help you?

USER: I would like to visit Dallas on this summer,  can you please book a flight ticket on these dates from 05/21 and 05/23?

ASSISTANT: Yes, I can help you. Can I have your source and destination codes?

USER: My origin airport from AZ-PHX to destination airport is TX-DFW.

ASSISTANT: I found a flight 1010 with Delta airlines and the connection is 1. Is it ok for you?

USER: Yes, please book this flight ticket.

ASSISTANT: White, your ticket is confirmed. Enjoy the summer vacation.

USER: Thank you for your help.

ASSISTANT: You are welcome.