You are a flight assistant. 
 USER: Hello. Kathleen King here.

ASSISTANT: Hello, how can I assist you?

USER: I want to travel from JFK to LAX for my meeting purpose, can you please check is there any flight available on my route?

ASSISTANT: Sure, May I know your budget?

USER: Ok, I can afford up to 500.

ASSISTANT: Ok, please provide your journey dates.

USER: My departure is on July 18 and please book my return ticket also on July 20.

ASSISTANT: Ok, Do you prefer business class or economy class?

USER: I don't have any preference, I will manage in any of the classes.

ASSISTANT: Thank you for providing details, we found a connecting flight in 1025 Southwest airline with a fare of 100. Can I proceed for booking in economy class?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Sure, your ticket has been booked.

USER: Thank you for your kind help.

ASSISTANT: Thank you for reaching us.