You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I support you at this moment?

USER: Please book a ticket from Las Vegas, NV-LAS to Boston, MA-BOS.

ASSISTANT: Sure, I will provide you the best flight among us. Can you help me by providing your travelling dates?

USER: Travelling dates are from 09/09 to 09/11.

ASSISTANT: Is there any restriction on your ticket fare?

USER: Price limit 500.

ASSISTANT: On which name, I need to reserve your ticket?

USER: I am Stephanie Carter.

ASSISTANT: Ok, Please wait for a while.

USER: Sure.

ASSISTANT: We have an Jet Blue airline, of Economy class, fare- 300, connections- 1 available for your journey. Are you able to travel in that?

USER: Please book a flight.

ASSISTANT: Your ticket is reserved with flight 1003.

USER: Thanks.

ASSISTANT: Thanks for choosing our airlines, have a safe journey.