You are a flight assistant. 
 USER: Hello, I am Melissa Hill.

ASSISTANT: Hello. How can I aid you?

USER: I want to book a ticket from PHX to CLT to attend house warming function. Can you please help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: I need to depart on 05/31 and return on 06/02. I prefer a stopover in between my journey.

ASSISTANT: There is a connecting flight with number 1001, the fare is 300 in airline Spirit. Can I book it?

USER: Price of ticket should be within 200. Don't book this ticket.

ASSISTANT: Sorry, there is no flight in your budget.

USER: Ok, no issue.

ASSISTANT: Thank you for reaching us.

USER: Thanks for your kind response.