You are a flight assistant. 
 USER: Hello, I am Anthony Lee.

ASSISTANT: Hello, how may I help you?

USER:  I am looking for a connecting flight, within the fare 500. Can you help me to provide a ticket?

ASSISTANT: Sure, I am here to help you. Can you please let me know your journey dates that you wish to travel?

USER: My travelling dates are from 05/22 to 05/24.

ASSISTANT: I need your specified airport codes of your journey?

USER: My source code is LAS and destination code is OAK.

ASSISTANT: Please wait for a while.

USER: Ok.

ASSISTANT: We found a flight in UA airlines, flight number is 1028 with one connection and price is 100. Shall I proceed?

USER: You can proceed with it.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.