You are a flight assistant. 
 USER: Hi, I am Patrick Hall.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to watch a soccer match of Barcelona in Charlotte, could you help me in booking my flight ticket within 1000.

ASSISTANT: Sure, can you please share your travel dates?

USER: My preferable dates are from 06/18 to 06/20.

ASSISTANT: May I know your journey points please?

USER: I would like to fly from OAK to CLT. I prefer a connection.

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

USER: Ok.

ASSISTANT: Thanks for your patience, we found a flight with Southwest airlines. Flight number is 1022 with one connection and price is 100.

USER: Ok, proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thanks for choosing us.