You are a flight assistant. 
 USER: Hello. I am Stephanie Lewis.

ASSISTANT: Hello, how can I serve you?

USER: I need to book a ticket to visit the Garden of Boston on 05/09/. Could you please help me in booking a ticket from LAS?

ASSISTANT: Sure, on which dates you need to book your ticket?

USER: My travelling dates are 05/08 and return on 05/10.

ASSISTANT: Fine, where are you heading to?

USER: My heading point is BOS.

ASSISTANT: Do you have any other preferences?

USER: I prefer to have a connection in between the journey.

ASSISTANT: Sorry for the inconvenience, there is no flight available on your route.

USER: No problem, thank you for your information.

ASSISTANT: Thank you for picking us.