You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please reserve me a flight ticket from LAS to BOS?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My journey dates are Nov 12 and Nov 14.

ASSISTANT: Do you have any connection limit preference?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications for this trip?

USER: My depart time is evening.

ASSISTANT: May I know your name to proceed further?

USER: I am Brandon Hernandez.

ASSISTANT: Brandon Hernandez, there are no flight services available on this route with your preferences.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for contacting us.