You are a flight assistant. 
 USER: Hi, I am Kevin Harris.

ASSISTANT: Hello,. How may I serve you?

USER: I need to meet my sister on her birthday at Phoenix on 07/04 and I intend to return on 07/06, can you book me a flight ticket?

ASSISTANT: Sure, do you have any price limit?

USER: Yes, my price should be under 500.

ASSISTANT: May I know your journey codes?

USER: Sure, I would like to travel from NY-EWR to AZ-PHX.

ASSISTANT: Ok, please wait.

USER: Ok.

ASSISTANT: We found a connecting  flight with number 1000 and AA as airline.

USER: Please proceed with this booking.

ASSISTANT: Your booking has been done.

USER: Thank you.

ASSISTANT: Thank you for reaching us.