You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is George King, need your help in booking a flight ticket from PHX on 04/20.

ASSISTANT: Sure George, may I know your destination place and returning  date?

USER: Sure, I need my return ticket from AUS on 04/22.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Yes, there is a flight 1004 of AA airline available for you as per your details. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Ok, your flight is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.