You are a flight assistant. 
 USER: Hi, I am Paul Smith.

ASSISTANT: Hello, how may I help you?

USER: Me and my friends are planning to have a visit at PHX on 06/02. Will you be my helping hand in this booking? I want to book a flight ticket with the price limit of 1000. And my return date is on 06/04 with 1 connection.

ASSISTANT: Sure, could you please provide me your origin airport code?

USER: I need to start from OAK.

ASSISTANT: Please wait a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: I am happy to inform you we found a flight on your details with airline UA, flight number: 1001. Shall I proceed for booking?

USER: Ok, proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your response.

ASSISTANT: Thank you choosing Us.