You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you now? May I know your good name please?

USER: can you help me to book a flight ticket with the name Karen Taylor and I need One connection and price limit with in 500.

ASSISTANT: Sure, can you please share your airport codes and journey dates?

USER: Ok, I will start on 05/24 and return on 05/26.

ASSISTANT: Please provide your airport codes.

USER: I like to go to NV-LAS from CA-OAK to meet my former colleague.

ASSISTANT: Thank you for your details, please wait for a while.

USER: Sure.

ASSISTANT: We are happy to inform you, we found a flight from UA airlines matching your details. Flight number 1002, price is 200. Shall I go through the booking?

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for availing us. Have a great day.