You are a flight assistant. 
 USER: Hello, I am James White.

ASSISTANT: Hello, how may I assist you today?

USER: Would you help me to book a flight ticket on the date of 01/16?

ASSISTANT: Ok, can you please share your airport codes to proceed further?

USER: OAK and PHX are my airport codes.

ASSISTANT: Sure, please mention your return date?

USER: I will return on 01/18.

ASSISTANT: Ok, do you have any other restrictions to be met?

USER: I want my price should be within 5000.

ASSISTANT: Ok, please wait for a while, let me check the flight availability and revert to you.

USER: Ok.

ASSISTANT: Thanks for your valuable time, we are glad to inform you that we have found a flight of Southwest airline, flight number-1003 connections-1 and price limit is 200. Would you like me to proceed further?

USER: Ok, please proceed.

ASSISTANT: Sure, your seat has been reserved.

USER: Thanks for your service.

ASSISTANT: Thanks for opting us, have a safe journey.