You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: I need to book a flight ticket from BOS to LAS. Can you please help me for booking?

ASSISTANT: May I know your travelling dates please?

USER: I would like to travel on 10/07 to return on 10/09.

ASSISTANT: Please let me know your connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your name please?

USER: Karen Edwards here.

ASSISTANT: Sorry, no flights available on your route to reserve your ticket.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you for reaching us.