You are a flight assistant. 
 USER: Hello, I am Brian Martinez.

ASSISTANT: Hello, how may I support you for the day?

USER: I want to attend a sports meet in Boston, MA - BOS from Las Vegas, NV - LAS. Can you book me a ticket with price range of 500?

ASSISTANT: Sure, can you please provide your dates of journey?

USER: I start on 12/31 and return on 01/02. I need a single connection.

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

USER: OK.

ASSISTANT: Sorry, we have a flight with ticket price of 700.

USER: OK, no problem. Thank you for the information.

ASSISTANT: Thank you for availing us, have a good day.